2021
2020
- D. Dizdarevic, H. Cartarius, J. Main, G. Wunner
Balancing gain and loss in symmetrised multi-well potentials
J. Phys. A, 53, 405304 (2020)
2019
- J. Stysch, F. Roser, D. Dast, H. Cartarius, G. Wunner
Purity oscillations in coupled Bose-Einstein condensates
Phys. Rev. A 100, 063605 (2019) - S. Böhrkircher, S. Erfort, H. Cartarius, G. Wunner
Hybrid breathers in nonlinear PT-symetric metamaterials
Phys. Rev. A 100, 063826 (2019) - F. Kogel, S. Kotzur, D. Dizdarevic, J. Main, G. Wunner
Realization of PT-symmetric and PT-symmetry-broken states in static optical-lattice potentials
Phys. Rev. A, 99, 063610 (2019)
2018
- F. Dangel, M. Wagner, H. Cartarius, J. Main, G. Wunner
Topological invariants in dissipative extensions of the Su-Schrieffer-Heeger model
Phys. Rev. A 98, 013628 (2018) - M. Klett, H. Cartarius, D. Dast, J. Main, G. Wunner
Topological edge states in the Su-Schrieffer-Heeger model subject to balanced particle gain and loss
Eur. Phys. J. D 71, 312 (2017) - L. Oberreiter, J. Burkhardt, J. Main, G. Wunner
Population transfer at exceptional points in spectra of the hydrogen atom in parallel electric and magnetic fields
Phys. Rev. A 98, 013417 (2018) - T. Mathea, D. Dast, D. Dizdarevic, H. Cartarius, J. Main, G. Wunner
Using impure many-body particle states to generate exact PT-symmetry in a time-dependent four-well system
J. Phys. A 51, 315303 (2018) - P. Schraft, A. Junginger, M. Feldmaier, R. Bardakcioglu, J. Main, G. Wunner, R. Hernandez
Neural network approach to time-dependent dividing surfaces in classical reaction dynamics
Phys. Rev. E 97, 042309 (2018) - H. Cartarius, Z. H. Musslimani, Schwarz Lukas, G. Wunner
Computing eigenfunctions and eigenvalues of boundary value problems with the orthogonal spectral renormalization method
Phys. Rev. A 97, 032134 (2018) - D. Haag, D. Dast, H. Cartarius, G. Wunner
PT-symmetric gain and loss in a rotating Bose-Einstein condensate
Phys. Rev. A 97, 033607 (2018) - D. Dizdarevic, J. Main, K. Alpin, J. Reiff, D. Dast, H. Cartarius, G. Wunner
Realization of balanced gain and loss in a time-dependent four-mode Bose-Hubbard model
Phys. Rev. A 97, 013623 (2018)
2017
- F. Schweiner, J. Laturner, J. Main, G. Wunner
Crossover between the Gaussian orthogonal ensemble, the Gaussian unitary ensemble, and Poissonian statistics
Phys. Rev. E 96, 052217 (2017) - F. Schweiner, J. Ertl, J. Main, G. Wunner, Ch. Uihlein
Exciton-polaritons in cuprous oxide: Theory and comparison with experiment
Phys. Rev. B 96, 245202 (2017) - J. Schnabel, H. Cartarius, J. Main, G. Wunner, W. D. Heiss
Simple models of three coupled PT-symmetric wave guides allowing for third-order exceptional points
Acta Polytechnica 57, 454 - 461 (2017) - M. Wagner, F. Dangel, H. Cartarius, G. Wunner, J. Main
Numerical calculation of the complex Berry phase in non-Hermitian systems
Acta Polytechnica 57, 470 - 476 (2017) - W. D. Heiss, G. Wunner
A Chiral behaviour ot the wave functions for three wave guides at an exceptional point of third order
Eur. Phys. J. D 71, 312 (2017) - D. Dast, D. Haag, H. Cartarius, J. Main, G. Wunner
Staionary states in the many-particle description of Bose-Einstein condensates with balanced gain and loss
Phys. Rev. A 96, 023625 (2017) - Ph. Lunt, D. Haag, D. Dast, H. Cartarius, G. Wunner
Balanced gain and loss in Bose-Einstein condensates without PT symmetry
Phys. Rev. A 96, 023614 (2017) - F. Schweiner, P. Rommel, J. Main, G. Wunner
Exciton-phonon interaction breaking all antiunitary symmetries in external magnetic fields
Phys. Rev. B 96, 035207 (2017) - N. Liebermann, J. Main, G. Wunner
Exceptional points in the elliptical three-disk scatterer using semiclassical periodic orbit quantization
Europhys. Lett. 118, 30006 (2017) - J. Schnabel, H. Cartarius, J. Main, G. Wunner, W. D. Heiss
PT-symmetric wave guide system with evidence of a third-order exceptional point
Phys. Rev. A 95, 053868 (2017) - F. Schweiner, J. Main, G. Wunner
GOE-GUE-Poisson transitions in the nearest neighbor spacing distribution of magnetoexcitons
Phys. Rev. E 95, 062205 (2017) - A. Junginger, L. Duvenbeck, M. Feldmaier, J. Main, G. Wunner, R. Hernandez
Chemical dynamics between wells across a time-dependent barrier: Self-similarity in the Lagrangian descriptor and reactive basins
J. Chem. Phys. 147, 064101 (2017) - L. Schwarz, H. Cartarius, Z. H. Musslimani, J. Main, G. Wunner
Vortices in Bose-Einstein condensates with PT-symmetric gain and loss
Phys. Rev. A 95, 053613 (2017) - F. Schweiner, J. Main, G. Wunner, Ch. Uihlein
Even exciton series in Cu2O
Phys. Rev. B 95, 195201 (2017) - M. Klett, H. Cartarius, D. Dast, J. Main, G. Wunner
Relation between PT-symmetry breaking and topologically nontrivial phases in the Su-Schrieffer-Heeger and Kitaev models
Phys. Rev. A 95, 053626 (2017) - A. Junginger, J. Main, G. Wunner, R. Hernandez
Variational principle for the determination of unstable periodic orbits and instanton trajectories at saddle points
Phys. Rev. A 95, 032130 (2017) - M. Feldmaier, A. Junginger, J. Main, G. Wunner, R. Hernandez
Obtaining time-dependent multi-dimensional dividing surfaces using Lagrangian descriptors
Chem. Phys. Lett., submitted (2017) - F. Schweiner, J. Main, G. Wunner
Magnetoexcitons break antiunitary symmetries
Phys. Rev. Lett. 118, 046401 (2017) - F. Schweiner, J. Main, G. Wunner, M. Freitag, J. Heckötter, Ch. Uihlein, M. Aßmann, D. Fröhlich, M. Bayer
Magnetoexcitons in cuprous oxide
Phys. Rev. B 95, 035202 (2017) - A. Junginger, J. Main, G. Wunner
Construction of Darboux coordinates and Poincaré-Birkhoff normal forms in noncanonical Hamiltonian systems
Physica D 348, 12 (2017)
2015
- D. Haag, D. Dast, H. Cartarius, G. Wunner
PT-symmentric currents of a Bose-Einstein condensate in a triple well
Phys. Rev. A 92, 053627 (2015) - D. Zajec, G. Wunner
Mean-field predictions for a dipolar Bose-Einstein condensate with 164 Dy
Phys. Rev. A 92, 053609 (2015) - W. D. Heiss, G. Wunner
Resonance scattering at third-order exceptional points
J. Phys. A, 48, 345203 (2015) - L. Schwarz, H. Cartarius, G. Wunner, W. D. Heiss, J. Main
Fano profiles in scattering: an alternative perspective
Eur. Phys. J. D 69, 196 (2015) - R. Gutöhrlein, J. Schnabel, I. Iskandarov, H. Cartarius, J. Main, G. Wunner
Realizing PT-symmetric BEC subsystems into closed hermitian systems
J. Phys. A 48, 335302 (2015) - D. Dizdarevic, D. Dast, D. Haag, J. Main, H. Cartarius, G. Wunner
Cusp bifurcation in the eigenvalue spectrum of PT-symmetric Bose-Einstein condensates
Phys. Rev. A 91, 013609 (2015) - A. Junginger, T. Schaller, G. Hämmerling, J. Main, G. Wunner
Normal form expansions and thermal decay rates of Bose-Einstein condensates with short- and long-range interaction
Eur. Phys. J. D , 69, 83 (2015) - D. Haag, D. Dast, H. Cartarius, G. Wunner
Finite element calculations of PT-symmetric Bose-Einstein condensates
International Journal of Theoretical Physics 54, 4100 (2015) - N. Abt, H. Cartarius, G. Wunner
Supersymmetric model of a Bose-Einstein condensate in a PT-symmetric double-delta trap
International Journal of Theoretical Physics 54, 4054 (2015) - F. Schweiner, J. Main, H. Cartarius, G. Wunner
Classical dynamics and localization of resonances in the high energy region of the crossed fields hydrogen atom
Phys. Rev. E 91, 012915 (2015) - J. Brinker, J. Fuchs, J. Main, G. Wunner, H. Cartarius
Verification of exceptional points in the collapse dynamics of Bose-Einstein condensates
Phys. Rev. A 91, 013609 (2015) - D. Dast, D. Haag, H. Cartarius, G. Wunner, R. Eichler, J. Main
Description of Bose-Einstein condensates in PT-symmetric double wells
Proceedings of the International Symposium on Self-Organization in Complex Systems: The Past, Present, and Future of Synergetics, Delmenhorst 2012 , A. Pelster, G. Wunner (Eds.), Understanding Complex Systems, 129-144 (2015)
2016
- R. Gutöhrlein, H. Cartarius, J. Main, G. Wunner
Bifurcations and exceptional points in a PT-symmetric dipolar Bose-Einstein condensate
J. Phys. A 49, 485301 (2016) - T. Ilg, R. Tschüter, A. Junginger, J. Main, G. Wunner
Dynamics of solitons in the one-dimensional nonlinear Schrödinger equation
Eur. Phys. J. D 70, 232 (2016) - D. Dast, D. Haag, H. Cartarius, J. Main, G. Wunner
Bose-Einstein condensates with balanced gain and loss beyond mean-field theory
Phys. Rev. A 94, 053601 (2016) - W. D. Heiss, G. Wunner
A model of three coupled wave guides and third order exceptional points
J. Phys. A 49, 495303 (2016) - F. Schweiner, J. Main, G. Wunner, Ch. Uihlein
K dependent exchange interaction of the 1S orthoexciton in Cu2O
Phys. Rev. B 94, 115201(2016) - M. Feldmaier, J. Main, F. Schweiner, H. Cartarius, G. Wunner
Rydberg systems in parallel electric and magnetic fields: an improved method for finding exceptional points
J. Phys. B 49, 144002 (2016) - F. Schweiner, J. Main, M. Feldmaier, G. Wunner, Ch. Uihlein
Impact of the valence band structure of Cu2O on excitonic spectra
Phys. Rev. B 93, 195203 (2016) - F. Schweiner, J. Main, G. Wunner
Linewidths in excitonic absorption spectra of cuprous oxide
Phys. Rev. B 93, 085203 (2016) - M. Kreibich, J. Main, H. Cartarius, G. Wunner
Tilted optical lattices with defects as realizations of PT symmetry in Bose-Einstein condensates
Phys. Rev. A 93, 023624 (2016) - D. Dast, D. Haag, H. Cartarius, G. Wunner
Purity oscillations in Bose-Einstein condensates with balanced gain and loss
Phys. Rev. A 93, 033624 (2016) - H. Menke, M. Klett, H. Cartarius, J. Main, G. Wunner
State flip at exceptional points in atomic spectra
Phys. Rev. A 93, 013401 (2016)
2014
- F. Single, H. Cartarius, G. Wunner, J. Main
Coupling approach for the realization of a PT-symmetric potential for a Bose-Einstein condensate in a double well
Phys. Rev. A 90, 0421323 (2014) - D. Dast, D. Haag, H. Cartarius, G. Wunner
A quantum master equation with balanced gain and loss
Phys. Rev. A 90, 052120 (2014) - Kreibich, J. Main, H. Cartarius, G. Wunner
Realizing PT-symmetric non-Hermiticity with ultra-cold atoms and Hermitian multi-well potentials
Phys. Rev. A 90, 033630 (2014) - R. Fortanier, D. Dast, D. Haag, H. Cartarius, J. Main, G. Wunner
Dipolar Bose-Einstein condensates in a PT-symmetric double-well potential
Phys. Rev. A 89, 063608 (2014) - W. D. Heiss, G. Wunner
Fano-Feshbach resonances in two-channel scattering around exceptional points
Eur. J. Phys. D, 17, 149 (2014) - C. Schimeczek, G. Wunner
Multi-electron systems in strong magnetic fields I: The 2D Landau-Hartree-Fock-Roothaan method
Comp. Phys. Comm., 185, 2655 (2014), doi:10.1016/j.cpc.2014.05.005 - S. Boblest, D. Meyer, G. Wunner
Multi-electron systems in strong magnetic fields II: A fixed-phase diffusion quantum Monte Carlo application based on Hartree-Fock-Roothaan trial functions
Comp. Phys. Comm., 185, (2014), doi:10.1016/j.cpc.2014.06.027 - C. Schimeczek, G. Wunner
Atomic data for the spectral analysis of magnetic DA white dwarfs in the SDSS
Astrophys. J. Suppl. 212, 26 (2014) - D. Haag, H. Cartarius, G. Wunner
A Bose-Einstein condensate with PT-symmetric loss and gain in a harmonic trap: A test of rigorous estimates
Acta Polytechnica 54 , 116 - 121 (2014) - J. Fuchs, J. Main, H. Cartarius, G. Wunner
Harmonic inversion analysis of exceptional points in resonance spectra
J. Phys. A 47, 125304 (2014) - A. Löhle, H. Cartarius, D. Dast, D. Haag, J. Main, G. Wunner
Stability of Bose-Einstein condensates in a PT-symmetric double-delta potential close to branch points
Acta Polytechnica 54 , 133 - 138 (2014) - D. Dast, D. Haag, A. Löhle, H. Cartarius, J. Main, G. Wunner
Nonlinear quantum dynamics in a PT-symmetric double well
Phys. Rev. A 89, 023601 (2014) - S. Boblest, C. Schimeczek, G. Wunner
Ground states of helium to neon and their ions in strong magnetic fields
Phys. Rev. A 89, 012505 (2014) - D.F.B. Haeufle, M. Günter, G. Wunner, S. Schmitt
Quantifying control effort of biological and technical movements: an information entropy based approach
Phys. Rev. E 89, 012716 (2014) - Accurate 2d finite element calculations for hydrogen in magnetic fields of arbitrary strength
C. Schimeczek, G. Wunner
Comp. Phys. Comm., 185, 614 (2014), doi:10.1016/j.cpc.2013.09.023
2013
- R. Fortanier, D. Zajec, J. Main, G. Wunner
Dipolar Bose-Einstein condensates in triple-well potentials
J. Phys. B 46, 235301 (2013) - A. Junginger, M. Kreibich, J. Main, G. Wunner
Transition states and thermal collapse of dipolar Bose-Einstein condensates
Phys. Rev. A 88, 043617 (2013) - D. Dast, D. Haag, H. Cartarius, J. Main, G. Wunner
Eigenvalue structure of a Bose-Einstein condensate in a PT-symmetric double well
J. Phys. A 46, 375301 (2013) - C. Schimeczek, S. Boblest, D. Meyer, G. Wunner
Atomic ground states in strong magnetice fields: electron configurations and energy levels
Phys. Rev. A 88, 012509 (2013) - W. D. Heiss, H. Cartarius, G. Wunner, J. Main
Spectral singularities in PT-symmetric Bose-Einstein condensates
J. Phys. A 46, 275307 (2013) - R. Gutöhrlein, J. Main, H. Cartarius, G. Wunner
Bifurcations and exceptional points in dipolar Bose-Einstein condensates
J. Phys. A 46, 305001 (2013) - M. Kreibich, J. Main, H. Cartarius, G. Wunner
Hermitian four-well potential as a realization of a PT-symmetric system
Phys. Rev. A 87, 051601(R) (2013) - A. Junginger, J. Main, G. Wunner
Quantum-classical lifetimes of Rydberg molecules
J. Phys. B 46, 085201 (2013) - H. Cartarius, D. Dast, D. Haag, G. Wunner, R. Eichler, J. Main
Stationary and dynamical solutions of the Gross-Pitaevskii equation for a Bose-Einstein condensate in a PT-symmetric double well
Acta Polytechnica 53 , 259 - 267 (2013) - D. Meyer, S. Boblest, G. Wunner
Fixed-phase correlation-function quantum Monte Carlo calculations for ground and excited states of helium in neutron-star magnetic fields
Phys. Rev. A 87, 032515 (2013) - M. Kreibich, J. Main, G. Wunner
A variational approach to Bogoliubov excitations and dynamics of dipolar Bose-Einstein condensates
J. Phys. B 46, 445302 (2013) - D. Dast, D. Haag, H. Cartarius, G. Wunner, R. Eichler, J. Main
A Bose-Einstein condensate in a PT symmetric double well
Fortschr. Phys. 61, 124 - 139 (2013) - A. Wünsch, Th. Müller, D. Weiskopf, G. Wunner
Circular orbits in the extreme Reissner-Nordstrom metric
Phys. Rev. D 87, 024007(2013)
2012
- K. Marquardt, P. Wieland, R. Häfner, H. Cartarius, J. Main, G. Wunner
Macroscopic quantum tunneling of Bose-Einstein condensates with long-range interaction
Phys. Rev. A 86, 063629 (2012) - R. Eichler, D. Zajec, P. Köberle, J. Main, G. Wunner
Collisions of anisotropic two-dimensional bright solitons in dipolar Bose-Einstein condensates
Phys. Rev. A 86, 053611 (2012) - M. Kreibich, H. Cartarius, J. Main, G. Wunner
A nonlinear dynamics approach to Bogoliubov excitations of Bose-Einstein condensates
in: Proceedings of the "8th International Summer School/Conference LET'S FACE CHAOS THROUGH NONLINEAR DYNAMICS", Maribor 2011,
M. Robnik, V. Romanovsky (Eds.), AIP Conf. Proc. 1468, 216-222, (2012) - A. Junginger, J. Main, G. Wunner, T. Bartsch
Symmetry-breaking thermally induced collapse of dipolar Bose-Einstein condensates
Phys. Rev. A 86, 023632 (2012) - A. Junginger, J. Main, G. Wunner
Quantum-classical model for the formation of Rydberg molecules
Phys. Rev. A 86, 012713 (2012) - Nonlinear Schrödinger equation for a PT symmetric delta-functions double well
H. Cartarius, D. Haag, D. Dast, G. Wunner
J. Phys. A 45, 444008 (2012) - Model of a PT symmetric Bose-Einstein condensate in a delta-functions double well
H. Cartarius, G. Wunner
Phys. Rev. A 86, 013612 (2012) - Relation between the eigenfrequencies of Bogoliubov excitations of BECs and the eigenvalues of the Jacobian in a time-dependent variational approach
M. Kreibich, J. Main, G. Wunner
Phys. Rev. A 86, 013608 (2012) - GPU based four-dimensional general-relativistic ray tracing
D. Kuchelmeister, T. Müller, M. Ament, F. Weiskopf, G. Wunner
Comp. Phys. Comm., 183, 2282 (2012), doi:10.1016/j.cpc.2012.04.030 - A highly optimized code for calculating atomic data at neutron star magnetic field strengths using a doubly self-consistent Hartree-Fock-Roothaan method
C. Schimeczek, D. Engel, G. Wunner
Comp. Phys. Comm., 183, 1502 (2012), doi:10.1016/j.cpc.2012.02.011 - P. Köberle, D. Zajec, G. Wunner, B. A. Malomed
Creating two-dimensional bright solitons in dipolar Bose-Einstein condensates
Phys. Rev. A 85, 023630 (2012) - A. Junginger, J. Main, G. Wunner, M. Dorwarth
Transition state theory for wave packet dynamics. I. Thermal decay in metastable Schrödinger systems
J. Phys. A 45, 155201 (2012) - A. Junginger, J. Main, G. Wunner, M. Dorwarth
Transition state theory for wave packet dynamics. II. Thermal decay of Bose-Einstein condensates with long-range interaction
J. Phys. A 45, 155202 (2012)
2011
- S. Boblest, T. Müller, G. Wunner
Twin paradox in de Sitter Spacetime
European Journal of Physics 32, 1117-1142 (2011)
DOI: 10.1088/0143-0807/32/5/001 , - R. Eichler, J. Main, G. Wunner
Variational calculations for anisotropic solitons in dipolar Bose-Einstein condensates
Phys. Rev. A 83, 053604 (2011) - G. Wunner, H. Cartarius, P. Köberle, J. Main, S. Rau
Exceptional points for nonlinear Schrödinger equations describing Bose-Einstein condensates of ultracold atomic gases
Acta Polytechnica 51 , 95 - 103 (2011)
2010
- J. Gehrke, J. Main, G. Wunner
Semiclassical quantization of the diamagnetic hydrogen atom with near–action-degenerate periodic-orbit bunches
Phys. Rev. E 82, 066207 (2010) - T. Fabčič, J. Main, G. Wunner
Fictitious time wave packet dynamics in atomic systems
Z. Naturforsch. 65a , 871 - 876 (2010) - A. Eberspächer, J. Main, G. Wunner
Fractal Weyl law for three-dimensional chaotic hard-sphere scattering systems
Phys. Rev. E 82, 046201 (2010) - S. Rau, J. Main, G. Wunner
Variational methods with coupled Gaussian functions for Bose-Einstein condensates with long-range interactions. I. General concept
Phys. Rev. A 82, 023610 (2010) - S. Rau, J. Main, H. Cartarius, P. Köberle, G. Wunner
Variational methods with coupled Gaussian functions for Bose-Einstein condensates with long-range interactions. II. Applications
Phys. Rev. A 82, 023611 (2010) - A. Junginger, J. Main, G. Wunner
Variational calculations on multilayer stacks of dipolar Bose-Einstein condensates
Phys. Rev. A 82, 023602 (2010) - H. Cartarius, J. Main, T. Losch, G. Wunner
Resonance wave functions located at the Stark saddle point
Phys. Rev. A 81, 063414 (2010) - S. Rau, J. Main, P. Köberle, G. Wunner
Pitchfork bifurcations in blood-cell-shaped dipolar Bose-Einstein condensates
Phys. Rev. A 81, 031605(R) (2010) - T. Fabčič, J. Main, G. Wunner
Gaussian wave-packet method for systems with Coulomb interactions
Nonlinear Phenomena in Complex Systems 13, 38 - 44 (2010)
PostScript
- P. Köberle, G. Wunner
Phonon instability and self-organized structures in multilayer stacks of confined dipolar Bose-Einstein condensates in optical lattices
Phys. Rev. A, 80, 063601 (2009) - F. Grave, M. Buser, Th. Müller, G. Wunner, W. P. Schleich
The Gödel universe: Exact geometrical optics and analytical investigations on motion
Physical Review D 80, 103002 (2009)
DOI: 10.1103/PhysRevD.80.103002 - F. Grave, Th. Müller, C. Dachsbacher, G. Wunner
The Gödel engine - an interactive approach to visualization in general relativity
Computer Graphics Forum (Proc. Eurovis09), 28 ,807-814 (2009)
DOI: 10.1111/j.1467-8659.2009.01470.x , Addendum: - H. Cartarius, J. Main, G. Wunner
Exceptional points in the spectra of atoms in external fields
Phys. Rev. A, 79, 033412 (2009) - H. Cartarius, J. Main, G. Wunner
Signatures of the classical transition state in atomic quantum spectra
Phys. Rev. A 79, 033412 (2009)
PostScript - T. Fabčič, J. Main, G. Wunner
Fictitious time wave packet dynamics: I. Nondispersive wave packets in the quantum Coulomb problem
Phys. Rev. A 79, 043416 (2009) - T. Fabčič, J. Main, G. Wunner
Fictitious time wave packet dynamics: II. The hydrogen atom in external fields
Phys. Rev. A 79, 043417 (2009) - Bifurcations, order, and chaos in the Bose-Einstein condensation of dipolar gases
P. Köberle, H. Cartarius, T. Fabčič, J. Main, G. Wunner
New Journal of Physics 11, 023017 (2009) - A fast parallel code for calculating energies and oscillator strengths of many-electron atoms at neutron star magnetic fields
D. Engel, M. Klews, G. Wunner
Comp. Phys. Comm., 180, 3-2-311 (2009), doi:10.1016/j.cpc.2008.09.008
PostScript
- G. Wunner, H. Cartarius, T. Fabčič, P. Köberle, J. Main, T. Schwidder
Nonlinear dynamics of Bose-Einstein condensates with long-range interactions
in: Proceedings of the "7th International Summer School/Conference LET'S FACE CHAOS THROUGH NONLINEAR DYNAMICS", Maribor 2008,
M. Robnik, V. Romanovsky (Eds.), CP1076, American Institute of Physics, 282--291 (2008) - Hartree-Fock-Roothaan calculations for many-electron atoms and ions in neutron star magnetic fields
D. Engel, G. Wunner
Phys. Rev. A 78, 032515 (2008) - Dynamics and stability of Bose-Einstein condensates with attractive 1/r interaction
H. Cartarius, T. Fabčič, J. Main, G. Wunner
Phys. Rev. A 78, 013615 (2008) - Diffusion Monte Carlo calculations for the ground states of atoms and ions in neutron star magnetic fields
S. Bücheler, D. Engel, J. Main, G. Wunner
in: Proceedings of the "9th International Conference on Path Integrals - New Trends and Perspectives", Dresden 2007,
A. Pelster, W. Janke (Eds.), World Scientific, Singapore, 315-320 (2008) - Discovery of exceptional points in the Bose-Einstein condensation of gases with attractive 1/r interaction
H. Cartarius, J. Main, G. Wunner
Phys. Rev. A 77, 013618 (2008) - Time propagation of constrained coupled Gaussian wave packets
T. Fabčič, J. Main, G. Wunner
J. Chem. Phys. 128, 044116 (2008)
- Bose-Einstein condensates with attractive 1/r interaction: The case of self-trapping
I. Papadopoulos, P. Wagner, G. Wunner, J. Main
Phys. Rev. A 76, 053604 (2007) - Quantum Monte Carlo studies of the ground states of heavy atoms in neutron star magnetic fields
S. Bücheler, D. Engel, J. Main, G. Wunner
Phys. Rev. A 76, 032501 (2007) - Visualization of the Gödel space-time
F. Grave, Th. Müller, G. Wunner, Th. Ertl, M. Ruder, W. Schleich
in: Proceedings of the 4th High-End Visualization Workshop,
Benger; Heinzl; Kapferer; Schoor; Tyagi; Venkataraman; Weber (Eds.)
Lehmanns Media, Berlin (2007) - Exceptional points in atomic spectra
H. Cartarius, J. Main, G. Wunner
Phys. Rev. Lett. 99, 173003 (2007) - Gaussian wave packet dynamics in the diamagnetic H-atom
T. Fabčič, J. Main, G. Wunner
Nonlinear Phenomena in Complex Systems 10, 86 - 91 (2007)
PostScript Nonlinear Phenomena in Complex Systems 10, 86 - 91 (2007) - Solutions of the Häussler-von der Malsburg equations for manifolds with constant curvature
M. Güssmann, A. Pelster, G. Wunner
Ann. Phys. (Leipzig) 16, 395-424 (2007) - Synergetic analysis of the Häussler-von der Malsburg equations for manifolds of arbitrary geometry
M. Güssmann, A. Pelster, G. Wunner
Ann. Phys. (Leipzig) 16, 379-394 (2007) - hbar expansions in semiclassical theories for systems with smooth potentials and discrete symmetries
H. Cartarius, J. Main, G. Wunner
Annals of Physics 322, 315 - 340 (2007)
- Quantum defect analysis of the eigenvalue spectrum of the Newton-Schrödinger equation
D. Greiner, G. Wunner
Phys. Rev. A 74, 05210 (2006) - Formation of Ground-State Vibrational Wave Packets in Intense Ultrashort Laser Pulses
E. Goll, G. Wunner, A. Saenz
Phys. Rev. Lett. 97, 103003 (2007) - First-order hbar corrections to Gutzwiller's trace formula for systems with discrete symmetries
H. Cartarius, J. Main, G. Wunner
Nonlinear Phenomena in Complex Systems 9, 240 - 248 (2006)
- Photoabsorption spectra of the diamagnetic hydrogen atom in the transition regime to chaos: Closed orbit theory with bifurcating orbits
T. Fabčič, J. Main, T. Bartsch, G. Wunner
J. Phys. B 38, S219 - S239 (2005) - Raum und Zeit aus Sicht der modernen Physik
in: Denken des Raums in Zeiten der Globalisierung, Michaela Ott/ Elke Uhl (Hrsg.), LIT Verlag Müunster, S. 115-123 (2005) - Atomic data for the atmospheres of strongly magnetized neutron stars
M. Klews, G. Wunner, K. Werner
in: X-Ray Diagnostics of Astrophysical Plasmas: Theory, Experiment and Observation,
AIP Conference Proceedings 774, R. K. Smith (Ed.), 287-291 (2005)
- Classical, semiclassical, and quantum investigations of the four-sphere scattering system
J. Main, E. Atilgan, H. S. Taylor, G. Wunner
Phys. Rev. E 69, 056227 (2004) - Comment on "Nonclassical paths in the recurrence spectrum of diamagnetic atoms"
J. Main, G. Wunner
Phys. Rev. Lett. 93, 099301 (2004)
- Uniform semiclassical approximations on a topologically nontrivial configuration space
T. Bartsch, J. Main, G. Wunner
European Journal of Physics D 25, 129-238 (2003) - The hydrogen atom in an electric field: Closed-orbit theory with bifurcating orbits
T. Bartsch, J. Main, G. Wunner
J. Phys. A 36, 1231-1254 (2003) - Semiclassical quantization of the hydrogen atom in crossed electric and magnetic fields
T. Bartsch, J. Main, G. Wunner
Phys. Rev. A 67, 063411 (2003) - Closed orbits and their bifurcations in the crossed-fields hydrogen atom
T. Bartsch, J. Main, G. Wunner
Phys. Rev. A 67, 063410 (2003)
- Periodic orbit quantization of the closed three-disk billiard as an example of a chaotic system with strong pruning
K. Weibert, J. Main, G. Wunner
Nonlinear Phenomena in Complex Systems 5, 393-406 (2002) - Dynamic link matching of severely deformed patterns by general local linear maps
F. Hardt, G. Wunner
Dynamic Perception, eds: R. P. Würtz, M. Lappe, Akadad. Verlagsgesellschaft, Berlin, 259-264 (2002) - A general model for the development of retinotopic projections between manifolds of different geometries
M. Güssmann, A. Pelster, G. Wunner
Dynamic Perception, eds: R. P. Würtz, M. Lappe, Akadad. Verlagsgesellschaft, Berlin, 253-258 (2002) - Superiority of semiclassical over quantum mechanical calculations for a three-dimensional system
J. Main, G. Wunner, E. Atilgan, J. S. Taylor, P. A. Dando
Phys. Letts A 305, 176-182 (2002) - Semiclassical quantization with bifurcating orbits
T. Bartsch, J. Main, G. Wunner
Phys. Rev. A 66, 033404 (2002) - Electron-impact excitation of the iron peak element Fe V using a parallelized R-matrix approach
G. Wöste, G. Wunner, C. J. Noble, A. G. Sunderland, V. M. Burke, P. G. Burke
J. Phys. B: At. Mol. Opt. Phys. 35, 4847-4861 (2002) - Periodic orbit quantization of chaotic systems with strong pruning
K. Weibert, J. Main, G. Wunner
Phys. Letts A 297, 87-91 (2002) - Higher-order hbar corrections in the semiclassical quantization of chaotic billiards
K. Weibert, J. Main, G. Wunner
European Journal of Physics D 19, 379-388 (2002)
- Deterministic diffusion in one-dimensional maps - Calculation of diffusion constants by harmonic inversion of periodic orbit sums
K. Weibert, J. Main, G. Wunner
Phys. Letts A 292, 120-124 (2001) - Periodic orbit quantization of chaotic maps by harmonic inversion
K. Weibert, J. Main, G. Wunner
Phys. Letts A 289, 329-332 (2001) - Quantization by harmonic inversion: comparison of algorithms
T. Bartsch, J. Main, G. Wunner
Phys. Rev. E 64, 056707 (2001) - Periodic orbit quantization: how to make semiclassical trace formulae convergent
J. Main, G. Wunner
Foundations of Physics 31, 447-474 (2001)
- Ghost orbit bifurcations in semiclassical spectra
T. Bartsch, J. Main, G. Wunner
Progress of Theoretical Physics Suppl. 139, 429-436 (2000) - Use of harmonic inversion techniques in the periodic orbit quantization of integrable systems
K. Weibert, J. Main, G. Wunner
European Journal of Physics D 12, 381-401 (2000)
1999
- Note on the Effect of Scars on the Statistics of Transition Probabilities of Classically Chaotic Quantum Systems
S. Jammalamadaka, J. Main, G. Wunner
Nonlinear Phenomena in Complex Systems 2(2), 1-5 (1999) - Photoionization of the Hydrogen Atom in Strong Magnetic Fields of White Dwarfs
G. Meinhardt, W. Schweizer, H. Herold, G. Wunner
Eur. Phys. J. D 5, 23-31 (1999) - Periodic orbit quantization of mixed regular-chaotic systems
J. Main, G. Wunner Phys. Rev. Lett. 82, 3038-3041 (1999) - Semiclassical calculation of transition matrix elements for atoms in external fields
J. Main, G. Wunner
Phys. Rev. A 59, R2548-2551 (1999) - Semiclassical non-trace type formulas for matrix element fluctuations and weighted densities of states
J. Main, G. Wunner
Phys. Rev. E 60, 1630-1638 (1999) - Semiclassical Spectra and Diagonal Matrix Elements by Harmonic Inversion of Periodic Orbit Cross-Correlation Functions
J. Main, K. Weibert, V. Mandelshtam, G. Wunner
Phys. Rev. E 60, 1639-1642 (1999) - Significance of ghost orbit bifurcations in semiclassical spectra
T. Bartsch, J. Main, G. Wunner
J. Phys. A: Math. Gen. 32, 3013-3027 (1999) - Uniform approximations for non-generic bifurcarion scenarios including bifurcations of ghost orbits
T. Bartsch, J. Main, G. Wunner
Annals of Physics, (New York) 277, 19-73 (1999)
1998
- Atoms in External Fields: Ghost Orbits, Catastrophes, And Uniform Semiclassical Approximations
J. Main, G. Wunner
Book of Invited Papers,Atoms and Molecules in Strong External Fields, eds: P. Schmelcher und W. Schweizer, Plenum Publ. Corp. New York, pp. 223-231 (1998) - Analysis of Quantum Spectra by Harmonic Inversion
J. Main, G. Wunner, V. A. Mandelshtam, H. S. Taylor
Book of Invited Papers,Atoms and Molecules in Strong External Fields, eds: P. Schmelcher und W. Schweizer, Plenum Publ. Corp. New York, pp. 215-222 (1998) - The Hydrogen Atom in Combined Electric and Magnetic Fields with Arbitrary Mutual Orientations
J. Main, M. Schwacke, G. Wunner
Phys. Rev. A 57, 1149-1157 (1998) - General Rydberg Atoms in Crossed Electric and Magnetic Fields: Calculation of Semiclassical Recurrence Spectra with Special Emphasis on Core Effects
K. Weibert, J. Main, G. Wunner
Annals of Physics, (New York) 268, 172-204 (1998) - Harmonic Inversion as a General Method For Periodic Orbit Quantization
J. Main, V. A. Mandelshtam, G. Wunner, H. S. Taylor
Nonlinearity 11, 1015-1035 (1998) - Uniform Semiclassical Approximations for Umbilic Bifurcation Catastophes
J. Main, G. Wunner
Phys. Rev E 57, 7325-7328 (1998) - hbar expansion for the periodic orbit quantization by harmonic inversion
J. Main, K. Weibert, G. Wunner
Phys. Rev. E 58, 4436-39 (1998) - Higher-Order Energy Level Spacing Distributions in the Transition Region between Regularity and Chaos
D. Engel, J. Main, G. Wunner
J. Phys. A: Math. Gen. 31, 6965-6974 (1998)
1997
- The Hydrogen Atom in a Magnetic Field: Ghost Orbits, Catastrophes, and Uniform Semiclassical Approximations
J. Main, G. Wunner Phys. Rev. A 55, 1743-1759 (1997) - Photon Splitting in Strong Magnetic Fields: Asymptotic Formulae vs. Accurate Numerical Results
C. Wilke, G. Wunner
Phys. Rev. D 55, 997-999 (1997) - Radiative Neutrino Decays in Very Strong Magnetic Fields
M. Kachelrieß, G. Wunner
Physics Letters B 390, 263-267 (1997) - Asynchronous Cycling as a Convergence Acceleration Method in Particle Simulations of DC Glow Discharges
P. Meyer, G. Wunner
Physics of Plasmas 4,3152-3162 (1997) - Axion Cyclotron Emissivity of Magnetized White Dwarfs and Neutron Stars
M. Kachelrieß, C. Wilke, G. Wunner
Phys. Rev. D 56, 1313-1319 (1997)
1996
- Nonhydrogenic Rydberg Atoms in a Magnetic Field: A Rigorous Semiclassical Approach
B. Hüpper, J. Main, G. Wunner
Phys. Rev. A 53, 744-759 (1996)
1995
- Unified Particle Simulation Technique for the Plasma Bulk and the Cathode Sheath of a DC Glow Discharge
P. Meyer, G. Wunner, W. Schmitt, H. Ruder
J. Appl. Physics 77, 992-1000 (1995) - Is Compton Scattering in Magnetic Fields Really Infrared Divergent?
M. Kachelrieß, D. Berg, G. Wunner
Phys. Rev. D 51, 824-828 (1995) - Balmer and Paschen Bound-Free Opacities for Hydrogen in Strong White Dwarf Magnetic Fields
N.Merani, J.Main, G.Wunner
Astron. Astrophys. 298, 193-203 (1995) - Photoabsorption of non-hydrogenic Rydberg atoms in a magnetic field: effects of core-scattered classical orbits
B. Hüpper, J. Main, G. Wunner
Phys. Rev. Lett. 74, 2650-2654 (1995) - Photon Splitting in Strongly Magnetized Cosmic Objects - Revisited
G. Wunner, R. Sang, D. Berg
Astrophys. J. Letters 455, L51-53 (1995)
1994
- Atoms in Strong Magnetic Fields - Quantum Mechanical Treatment and Applications in Astrophysics and Quantum Chaos
H. Ruder, G. Wunner, F. Geyer, H. Herold,
Monography, Springer Verlag, Berlin, Heidelberg (1994) - Rydberg Atoms in External Fields as an Example of Open Quantum Systems with Classical Chaos
J. Main, G. Wunner
J. Phys. B: At. Mol. Phys. 27, 2835-2848 (1994) - Polarized one-quantum annihilation in strong magnetic fields as a process for particle deceleration in neutron star atmospheres
D. Berg, M. Mentzel, G. Wunner
Astrophys. J. Suppl. 90, 905-908 (1994) - Electron Self-Energy in a Homogeneous Magnetic Field
R. Geprägs, H. Riffert, H. Herold. H. Ruder, and G. Wunner
Phys. Rev. D 49, 5582-5589 (1994) - Photon Splitting in Strong Magnetic Fields
M. Mentzel, D. Berg, G. Wunner
Phys. Rev. D 50, 1125-1139 (1994) - Rydberg Systems in External Fields: an Example of Open Systems with Quantum Chaos
J. Main, G. Wunner
Proc. QCTM, Fukui 1993, J. Phys. Soc. Jpn. 63, 73-87 (1994) (Book of Invited Papers, Symposium "Quantum Chemistry and Technology on the Mesoscopic Level") - Exotic QED Processes and Atoms in Strong Magnetic Fields
G. Wunner
in:Matter Under Extreme Conditions, H. Latal, W. Schweiger (Eds.), (Lecture Notes in Physics) 440(Springer-Verlag), 101-151 (1994)
1993
- The Diamagnetic Kepler Problem: Bifurcations and Catastrophes
W. Schweizer, R. Niemeier, G. Wunner, H.Ruder
Z. Physik D 25, 95-101 (1993) - Behaviour and Spectroscopy of (Anti-)Hydrogen Atoms in Strong Magnetic Fields
G. Wunner
Hyperfine Interactions 76, 249-263 (1993) - Hartree- Fock Calculations for Excited States of Two-Electron Systems in Strong Magnetic Fields
G. Thurner, H. Körbel, M. Braun, H. Herold, H. Ruder, G. Wunner
J. Phys. B: Atom. Mol. Phys. 26, 4719-4750 (1993)
1992
- Classical and Quantal Chaos in the Hydrogen Atom in Magnetic Fields.
R. Niemeier, G. Zeller, W. Schweizer, G. Wunner
in Irregular Atomic Systems and Quantum Chaos, ed. J.-C. Gay, Gordon & Breach Sci.Pub. (1992), p.299-308 - Diamagnetic Rydberg Atoms and Molecules: Properties of Classical Motion Exhibited in Quantum Spectra
T. S. Monteiro, K. T. Taylor, G. Wunner
in Irregular Atomic Systems and Quantum Chaos, ed. J.-C. Gay, Gordon & Breach Sci.Pub. (1992), p.261-274 - Hydrogen in the Strong Magnetic Field of the White Dwarf Star
PG 1031+234 R. Östreicher, W. Seifert, S. Friedrich, H. Ruder, M. Schaich, D. Wolf, G. Wunner
Astron. Astrophys. 257, 353-358 (1992) - Ericson Fluctuations in the Chaotic Ionization of the Hydrogen Atom in Crossed Magnetic and Electric Fields
J. Main, G. Wunner
Phys. Rev. Lett. 69, 586-589 (1992)
1991
- Classical and Quantal Chaos in the Hydrogen Atom in Magnetic Fields
R. Niemeier, G. Zeller, W. Schweizer, G. Wunner
Comm. Atom. Molec. Physics 25, 253 ff. (1991) - Diamagnetic Rydberg Atoms and Molecules: Properties of Classical Motion Exhibited in Quantum Spectra
T. S. Monteiro, K. T. Taylor, G. Wunner
Comm. Atom. Molec. Physics 25, 291 ff. (1991) - The Parametric Number Variance
J. Goldberg, U. Smilansky, M.V. Berry, W. Schweizer, G. Wunner, G. Zeller
Nonlinearity 4, 1-14 (1991)
1990
- The Origin of the 10 Megagauss Zeeman Features in the AM Her System EF Eri
R. Östreicher, W. Seifert, G. Wunner, H. Ruder
Astrophysical Journal 350, 324-328 (1990) - Impurity-Assisted Tunnelling as a Probe of the Donor Wavefunction in n-GaAs
I. P. Roche, G. P. Whittington, P. C. Main, L. Eaves, F. W. Sheard, G. Wunner, K. E. Singer
J. Phys.: Condensed Matter 2, 4439-4454 (1990) - Analysis of Quantum Manifestations of Chaos in General Rydberg Atoms in Strong Magnetic Fields
T. S. Monteiro, G. Wunner
Phys. Rev. Lett. 65, 1100-1103 (1990) - Spectroscopy in MegaGauss Fields: Theory
G. Wunner
Book of Invited Papers: 10th International Conference on Spectral Line Shapes, Austin, June 1990, The American Institute of Physics Conference Proceedings 216, New York, (1990), 563-573
1989
- Hydrogen Atoms in Strong Magnetic Fields - in the Laboratory and in the Cosmos
G. Wunner, W. Schweizer, H. Ruder
Book of Invited Papers,The Hydrogen Atom, Symposium, Pisa, Italy, Springer-Verlag Berlin Heidelberg, pp. 300-310 (1989) - Gibt es Chaos in der Quantenmechanik?
G. Wunner
Eingeladener Hauptaufsatz für Physikalische Blätter 45, 135-145 (1989) - Classical and Quantum Chaos in the Diamagnetic Kepler Problem
H. Hasegawa, M. Robnik, G. Wunner
Progress of Theoretical Physics Suppl. 98, 198-286 (1989) - Circular Polarimetry of Magnetically Strongly Shifted H-alpha Components in the AM Her System EF Eri
R. Östreicher, W. Seifert, G. Wunner, H. Ruder
Astron. Ges. Abstr. Series 2, 43 (1989)
1988
- Strongly Magnetized Atoms - in the Laboratory and in the Cosmos
G. Wunner
in Atomic Spectra and Collisions in External Fields II, K. T. Taylor, C. W. Clark, M. H. Nayfeh (eds.), invited talk presented at the Satellite Meeting of the XVth International Conference on Electronic and Atomic Collisions, July 1987, Egham (UK), Plenum Press New York, pp. 9-36 (1988) - Liapunov Exponents for the Diamagnetic Kepler Problem and the Transition from Regular to Irregular Motion
W. Schweizer, G. Wunner, R. Niemeier, H. Ruder
in Atomic Spectra and Collisions in External Fields II, K. T. Taylor, C. W. Clark, M. H. Nayfeh (eds.), presented at the Satellite Meeting of the XVth International Conference on Electronic and Atomic Collisions, July 1987, Egham (UK), Plenum Press New York, 121-128 (1988) - Spectra of the Strongly Magnetised Hydrogen Atom Close to the Ionisation Threshold
G. Zeller, U. Woelk, G. Wunner, H. Ruder
in Atomic Spectra and Collisions in External Fields II, K. T. Taylor, C. W. Clark, M. H. Nayfeh (eds.), presented at the Satellite Meeting of the XVth International Conference on Electronic and Atomic Collisions, July 1987, Egham (UK), Plenum Press New York, 109-114 (1988) - Liapunov Exponents for Classical Orbits of the Hydrogen Atom in a Magnetic Field.
W. Schweizer, R. Niemeier, H. Friedrich, G. Wunner, H. Ruder
Phys. Rev. A 381724 (1988) - Signature of Classical Chaos in the Transition Strenghts of the Hydrogen Atom in a Strong Magnetic Field
G. Zeller, G. Wunner, R. Niemeier, H. Ruder, H. Friedrich
11th International Conference on Atomic Physics, C. Fabre, D. Delande (eds.), pp. IV-9, Paris, (1988) - Wave Functions of the Diamagnetic Hydrogen Atom: The Transition into the Chaotic Regime
R. Niemeier, G. Wunner, H. Ruder, G. Zeller, W. Schweizer
11th International Conference on Atomic Physics, C. Fabre, D. Delande (eds.), pp. IV-8, Paris, (1988) - Percolative Transport in GaAs at 10~T Magnetic Fields: Interpretation via Hydrogen Wave Functions at Megatesla Fields
G. Bühler, G. Wunner, R. Buczko, J. A. Chroboczek
in High Magnetic Fields in Semiconductor Physics II, (Editor: G. Landwehr), published in the Springer Series on Solid State Sciences, (1988) - Liapunov Exponents for Classical Orbits of the Hydrogen Atom
H. Friedrich, W. Schweizer, G. Wunner, D. Wintgen
Conference on Classical Dynamics in Atomic and Molecular Physics, P. Grujic (ed.), Brioni (1988)
1987
- Atomic Data Relevant to Line Formation in Strongly Magnetized White Dwarf Stars.
G. Wunner, F. Geyer, H. Ruder
Proceedings of the IAU Coll. No. 93 "Cataclysmic Variables", Bamberg, 1986, Astrophys. Space Sci. 131, 595-9 (1987) - Atoms in Strong Magnetic Fields.
G. Wunner, H. Ruder
Book of Invited Papers, 18th EGAS Marburg, 1986, Physica Scripta 36, 291-99 (1987) - Rydberg Atoms in Uniform Magnetic Fields: Uncovering the Transition from Regularity to Irregularity in a Quantum System
G. Wunner, U. Woelk, I. Zech, G. Zeller, T. Ertl, F. Geyer, W. Schweizer, H. Ruder
Phys. Rev. Lett. 57, 3261-3264 (1986) - On Hydrogen- Like Atoms in Strong Gravitational Fields
E. Gill, G. Wunner, M. Soffel, H. Ruder
Classical and Quantum Gravity 4, 1031-42 (1987) - Hydrogenic Rydberg Atoms in Strong Magnetic Fields: Theoretical and Experimental Spectra in the Transition Region from Regularity to Irregularity
A. Holle, G. Wiebusch, J. Main, K. H. Welge, G. Zeller, G. Wunner, T. Ertl, H. Ruder
Z. Phys. D 5, 279-85 (1987) - Observations of Magnetic Hydrogen Lines in the White Dwarf GD~229
R. Östreicher, W. Seifert, H. Ruder, G. Wunner
Astronomy and Astrophysics 173, L15-L17 (1987) - Spektropolarimetrie mit EFOSC
W. Seifert, R. Östreicher, G. Wunner, H. Ruder
Mitt. Astron. Gesellschaft 68, 117-20 - The Magnetic Field Strength in the Emission Line Region of the AM Her System EF Eridani (= 2A0311- 27)
W. Seifert, R. Östreicher, G. Wunner, H. Ruder
Astronomy and Astrophysics 183, L1-L2 (1987) - Percolative Transport in GaAs at 10 T Magnetic Fields: Interpretation via Hydrogen Wave Functions at Megatesla Fields
R. Buczko, J. A. Chroboczek, G. Wunner
Philosophical Magazine Letters 56251-8 (1987) - Spectroscopy of Rydberg Atoms at n = 500: Observation of Quasi- Landau Resonances in Low Magnetic Fields
J. Neukammer, H. Rinneberg, K. Vietzke, A. König, H. Hieronymus, M. Kohl, H.- J. Grabka, G. Wunner
Phys. Rev. Lett. 59, 2947-50 (1987) - Interpretation of the Spectra of Strongly Magnetised White Dwarfs
Invited Highlight Talk
G. Wunner
Mitt. Astron. Ges. 70, 198-201 (1987) - Magnetic Rydberg Atoms - an Object Lesson in "Quantum Chaology"
G. Wunner, G. Zeller, U. Woelk, R. Niemeier, W. Schweizer, H. Ruder
19th EGAS Dublin,Europhysics Conference Abstracts 11E, J. T. Costello, E. T. Kennedy, J. P. Mosnier, G. O'Sullivan (eds.), pp. A2-02
1986
- Note on the Usefulness of Perturbation Theory in Calculating Energy Levels and Transitions of Hydrogen Rydberg Atoms in Strong Magnetic Fields
G. Wunner
J. Phys. B: Atom. Mol. Phys. 19, 1623-31 (1986) - "Circular" States of Rydberg Atoms in Strong Magnetic Fields.
G. Wunner, M. Kost, H. Ruder
Phys. Rev. A. 33, 1444 (1986) - Bremsstrahlung in Hot Strongly Magnetized Acccretion Plasmas.
U. Bock, H. Herold, H. Ruder, G. Wunner
Mitt. Astron. Ges. 65, 217 (1986) - One- Photon Pair Annihilation in Strongly Magnetized Relativistic Electron- Positron Plasmas.
G. Wunner, J. Paez, H. Ruder, H. Herold
Mitt. Astron. Ges. 65, 218-219 (1986) - Photoionisation of Positronium in Strong Magnetic Fields.
F. Geyer, H. Herold, H. Ruder, G. Wunner
Mitt. Astron. Ges. 65, 220 (1986) - Analysis of Hydrogen Rydberg Spectra in a Uniform Magnetic Field: Uncovering the Transition from Regularity to Irregularity in a Real Quantum System.
G. Wunner, U. Woelk, I. Zech, G. Zeller, T. Ertl, F. Geyer, A. Steitz, W. Schweizer, H. Ruder
18th EGAS Marburg,Europhysics Conference Abstracts 10F, M. Elbel, H. Hühnermann, R. Quad (eds.), 135-137 (1986) - Modelling the Rydberg Spectra of Atomic Hydrogen and Deuterium in Strong Magnetic Fields.
G. Wunner, T. Ertl, I. Zech, G. Zeller, H. Ruder
10th International Conference on Atomic Physics, H. Namuri, I. Shimamura (eds.), Tokyo, 224-225 (1986) - Search for Quantum Chaos in the Wavefunctions of Strongly Magnetized Rydberg States
G. Wunner, A. Steitz, U. Woelk, W. Schweizer, H. Herold, H. Ruder
10th International Conference on Atomic Physics, H. Namuri, I. Shimamura (eds.), Tokyo, 232-233 (1986) - One- Quantum Annihilation of Polarized Electron- Positron Pairs in Strong Magnetic Fields.
G. Wunner, J. Paez, H. Herold, H. Ruder
Astron. Astrophys. 106, 179-86 (1986)
1985
- Stationary Hydrogen Lines in White Dwarf Magnetic Fields, and the Spectrum of the Magnetic Degenerate GRW + 70 deg 8247.
G. Wunner, W. Rösner, H. Herold, H. Ruder
Astron. Astrophys. 149, 102-108 (1985) - The Importance of Spin- Orbit Coupling in the Magnetized Hydrogen Problem.
G. Wunner, W. Rösner, H. Herold, H. Ruder
J. Phys. B: At. Mol. Phys. 18, L179-L183 (1985) - Can Gamma Quanta Really be Captured by Pulsar Magnetic Fields?
H. Herold, H. Ruder, G. Wunner
Phys. Rev. Lett. 54, 1452-1455 (1985) - The Spectrum of the Hydrogen Atom in Magnetic Fields of Arbitrary Strength.
G. Wunner, H. Herold, W. Rösner, H. Ruder
Second European Conference on Atomic and Molecular Physics, A.E. de Vries, M.J. v.d. Wiel (eds.), Amsterdam, 355 (1985) - Can Highly Excited States of Atoms Serve as Probes for External Fields in the Interstellar Medium?
G. Wunner, H. Ruder, H. Herold
Mitt. Astron. Ges. 63, 173 (1985)
1984
- Hydrogen atoms in arbitrary magnetic fields:
I. Energy levels and wave functions.
W. Rösner, G. Wunner, H. Herold, H. Ruder
J. Phys. B: At. Mol. Phys. 17, 29-52 (1984) - Hydrogen atoms in arbitrary magnetic fields: II. Bound- bound transitions.
H. Forster, W. Strupat, W. Rösner, G. Wunner, H. Ruder, H. Herold
J. Phys. B: At. Mol. Phys. 17, 1301-1319 (1984) - Approximate continuum wavefunctions for the strongly magnetized hydrogenic problem.
C. Mega, H. Herold, W. Rösner, H. Ruder, G. Wunner
Phys. Rev. A 30, 1507-1508 (1984) - Final Comment on "Comment on 'Comment on the cyclotron emission rates in superstrong magnetic fields'".
H. Herold, H. Ruder, G. Wunner
Phys. Lett. 101A, 386-387 (1984) - Recombination and ionisation in strongly magnetised thermal plasmas of accreting neutron stars.
G. Wunner, F. Geyer, H. Herold, W. Rösner, H. Ruder, A. Steitz
Proceedings of the Symposium "X- ray Astronomy '84", Y. Tanaka (ed.), Bologna, 263-66 (1984) - Energy values, wave functions, and bound- bound transitions of hydrogenic systems in arbitrary magnetic fields.
G. Wunner, H. Herold, W. Rösner, H. Ruder
Ninth International Conference on Atomic Physics, R.S. Van Dyck, Jr. and E. Norval (eds.), Seattle,A 14 (1984) - Pulsars: High magnetic field laboratories with 108 Tesla.
H. Ruder, H. Herold, W. Rösner, G. Wunner
Physica 127B, 11-25 (1984) - Comment on "Scaling laws for hydrogen- like atoms in magnetic fields of arbitrary strength".
H. Herold, H. Ruder, G. Wunner
Astrophys. J. 285, 870-871 (1984) - Identification of atomic lines in the spectra of magnetic degenerates.
G. Wunner, W. Rösner, H. Herold, H. Ruder
Mitt. Astron. Ges. 62, 265 (1984)
1983
- Cross Sections for Photoionisation and Photorecombination of Hydrogenic Ions in Strong Magnetic Fields.
G. Wunner, H. Ruder, H. Herold, W. Schmitt
Astron. Astrophys. 117, 156-163 (1983) - Approximate Solution of the Strongly Magnetized Hydrogenic Problem by the Use of an Asymptotic Property.
W. Rösner, H. Herold, H. Ruder, G. Wunner
Phys. Rev. A 28, 2071-2077 (1983) - Electron- positron pair annihilation and creation in superstrong magnetic fields.
G. Wunner, H. Herold, H. Ruder
Proceedings of the Workshop on "Positron- Electron Pairs in Astrophysics", Greenbelt, AIP Conference Proceedings 101, 411- 415 (1983) - Radiative and thermal widths of Landau- excited hydrogen atoms in very strong magnetic fields.
G. Wunner, H. Herold, H. Ruder
J. Phys. B: At. Mol. Phys. 16, 2937-2943 (1983) - Bremsstrahlung in strong magnetic fields.
I. The elementary process.
J. Lauer, H. Herold, H. Ruder, G. Wunner
J. Phys. B: At. Mol. Phys. 16, 3673 (1983) - e+e- -Erzeugung und - Vernichtung in stark magnetisierten Plasmen.
G. Wunner, H. Herold, J. Lauer, H. Ruder, J. Ventura
Mitt. Astron. Ges. 58, 115 (1983) - Relativistische Photonenmoden und Opazitäten in stark magnetisierten Plasmen.
H. Herold, J. Lauer, H. Ruder, M. Soffel, J. Ventura, G. Wunner
Mitt. Astron. Ges. 58, 118 (1983) - Bremsstrahlung in stark magnetisierten Plasmen.
J. Lauer, H. Herold, H. Ruder, J. Ventura, G. Wunner
Mitt. Astron. Ges. 58, 119 (1983) - Atome in extrem starken Magnetfeldern.
H. Ruder, H. Herold, W. Rösner, G. Wunner
Physikalische Blätter 39, 183-186 (1983) - Das Wasserstoffatom in Magnetfeldern beliebiger Stärke.
W. Rösner, G. Wunner, H. Herold, H. Ruder
Mitt. Astron. Ges. 60, 344-345 (1983) - Helium- ähnliche Atome im starken Magnetfeld.
G. Thurner, H. Körbel, G. Wunner, H. Herold, H. Ruder
Mitt. Astron. Ges. 60, 346-347 (1983)
1982
- Neutron Star Magnetic Fields.
H. Ruder, H. Herold, G. Wunner
Invited Lecture, Proceedings of the 5th General Conference of the EPS, Trends in Physics, E. Matthias, W.J. Merz, (eds.), Istanbul, 662-671 (1982) - Rigorous and Approximate Scaling Laws for the Photoionization Cross- Section of Hydrogenic Ions in Magnetic Fields.
G. Wunner, H. Ruder, W. Schmitt, H. Herold, M.R.C. Dowell
Mon. Not. R. Astr. Soc. 198, 769-772 (1982) - Modifikation des Bremsstrahlungsquerschnitts durch starke Magnetfelder.
G. Wunner, L. Lauer, H. Herold, H. Ruder
Mitt. Astron. Ges. 55, 31-33 (1982) - Winkelverteilungen und Linienprofile von Zyklotronübergängen in superstarken Magnetfeldern.
H. Herold, H. Ruder, G. Wunner
Mitt. Astron. Ges. 55, 33-35 (1982) - Energy Values and Sum Rules for Hydrogenic Atoms in Magnetic Fields of Arbitrary Strength Using Numerical Wave Functions: Comparison with Variational Results.
G. Wunner, W. Rösner, H. Ruder, H. Herold
Astrophys. J. 262, 407-411 (1982) - Energy Values for the H2+- Ion in Superstrong Magnetic Fields Using the Adiabatic Approximation.
G. Wunner, H. Herold, H. Ruder
Phys. Lett. 88A, 344-347 (1982) - Hartree- Fock Calculations for Atoms in Strong Magnetic Fields.
I. Energy Levels of Two- Electron Systems.
P. Pröschel, W. Rösner, G. Wunner, H. Ruder, H. Herold
J. Phys. B: At. Mol. Phys. 15, 1959-1976 (1982) - Note on Binding Energies of Helium- Like Systems in Magnetic Fields.
G. Thurner, H. Herold, H. Ruder, G. Schlicht, G. Wunner
Phys. Lett. 89A, 133-138 (1982) - Comment on the Cyclotron Emission Rates in Superstrong Magnetic Fields.
H. Herold, H. Ruder, G. Wunner
Phys. Lett. 91A, 272-274 (1982) - Energy Levels and Electromagnetic Transitions of Atoms in Superstrong Magnetic Fields.
G. Wunner, H. Ruder
Invited Lecture,Colloque International "Physique Atomique et Moleculaire pres des Seuils d'Ionisation en Champs Intenses", Aussois (France), J. Physique, Colloque C2 suppl. 11 Tome 43, 137- 152 (1982) - Cyclotron Emission in Strongly Magnetized Plasmas.
H. Herold, H. Ruder, G. Wunner
Astron. Astrophys. 115, 90-96 (1982) - Bound- Free and Free- Free Transitions in Strong Magnetic Fields
G. Wunner
Proceedings of the Workshop on "Accreting Neutron Stars", held at the MPI für Extraterrestrische Physik, Garching, eds. W. Brinkmann, J. Trümper, 299-301 (1982)
1981
- Exact Solutions of the Particles- Plus- Rotor Model for N Interacting i13/2- Particles.
M. Reinecke, H. Herold, H. Ruder, G. Wunner
Nucl. Phys. A 361, 435-442 (1981) - On the Particle- Plus- Rotor Model.
R. Hilton, H. Mang, P. Ring, J. Egido, H. Herold, M. Reinecke, H. Ruder, G. Wunner
Nucl. Phys. A 366, 365-383 (1981) - Microscopic Theory of Nuclear Collective Rotation.
VI: The Particles- Plus- Rotor Model.
H. Herold, M. Reinecke, H. Ruder, G. Wunner, R.R. Hilton, H.J. Mang, P. Ring, J.L. Egido
J. Phys. G.: Nucl. Phys. 7, 1467- 1481 (1981) - The Two- Body Problem in the Presence of a Homogeneous Magnetic Field.
H. Herold, H. Ruder, G. Wunner
J. Phys. B.: At. Mol. Phys. 14, 751-764 (1981) - Energy Levels, Electromagnetic Transitions and Annihilation of Positronium in Strong Magnetic Fields.
G. Wunner, H. Ruder, H. Herold
J. Phys. B.: At. Mol. Phys. 14, 765-772 (1981) - Photoionisation of the Hydrogen Atom in Strong Magnetic Fields.
W. Schmitt, H. Herold, H. Ruder, G. Wunner
Astron. Astrophys. 94, 194-198 (1981) - Hydrogen Atom in Strong Magnetic Fields: Polynomial Approximations for the Magnetic Field Dependence of the Energy Values.
G. Wunner, H. Ruder
Astron. Astrophys. 95, 204-205 (1981) - e+e- - Annihilation in Strong Magnetic Fields.
G. Wunner, H. Herold, H. Ruder
In:Proceedings of the IAU Symposium No. 95 "Pulsars", W. Sieber, R. Wielebinski (eds.) Bonn, 35-36 (1981) - Selbstkonsistente Lösungen für starke niederfrequente ebene elektromagnetische Wellen im Plasma.
A. Che, H. Herold, M. Reinecke, H. Ruder, G. Wunner
Mitt. Astron. Ges. 52, 45 (1981) - Die Photoionisation von Atomen im starken Magnetfeld.
H. Herold, M. Reinecke, H. Ruder, G. Wunner
Mitt. Astron. Ges. 52, 91-92 (1981) - Der Einfluß des Protons auf das Spektrum des H- Atoms im starken Magnetfeld.
H. Herold, M. Reinecke, H. Ruder, G. Wunner
Mitt. Astron. Ges. 52, 92-93 (1981) - Self- Consistent Solutions for Electromagnetic Plane Waves in a Relativistic Plasma.
A. Che, H. Herold, M. Reinecke, H. Ruder, G. Wunner
Astron. Astrophys. 100, 164-168 (1981) - Energy Levels and Oscillator Strengths for the Two- Body Problem in Magnetic Fields.
G. Wunner, H. Ruder, H. Herold
Astrophys. J. 247, 374-381 (1981) - On the Validity of Perturbation Calculations of Energy Levels and Transitions of Hydrogen Atoms in Strong Magnetic Fields.
H. Ruder, G. Wunner, H. Herold, M. Reinecke
J. Phys. B: At. Mol. Phys. 14, L45-L49 (1981) - Relativistic Effects on the Photon Propagation in a Strongly Magnetized Plasma.
H. Herold, H. Ruder, G. Wunner
Plasma Physics 23, 775-792 (1981) - Iron Lines in Superstrong Magnetic Fields.
H. Ruder, G. Wunner, H. Herold, J. Trümper
Phys. Rev. Lett. 46, 1700-1703 (1981) - Eisenlinien in superstarken Magnetfeldern.
H. Ruder, G. Wunner, H. Herold, M. Reinecke, J. Trümper
Mitt. Astron. Ges. 54, 271-273 (1981) - Photoionisation von wasserstoffähnlichen Atomen in starken Magnetfeldern.
G. Wunner, H. Ruder, H. Herold, M. Reinecke, W. Schmitt
Mitt. Astron. Ges. 54, 273-274 (1981) - Relativistische Effekte bei der Photonenpropagation in stark magnetisierten Plasmen.
H. Herold, M. Reinecke, H. Ruder, G. Wunner
Mitt. Astron. Ges. 54, 275-277 (1981) - Line Spectrum of One- Electron Systems in Strong Magnetic Fields.
G. Wunner, H. Ruder, H. Herold
5th General Conference of the EPS, Trends in Physics, E. Matthias, W.J. Merz, (eds.) Istanbul, 174-175 (1981) - Energy Levels and Electromagnetic Transitions of Highly Ionized Iron Atoms in Superstrong Magnetic Fields.
H. Herold, H. Ruder, G. Wunner
5th General Conference of the EPS, Trends in Physics, E. Matthias, W.J. Merz, (eds.) Istanbul, 48- 49 (1981) - Propagation of X- Ray Photons in Strongly Magnetized Plasmas.
H. Herold, H. Ruder, G. Wunner
5th General Conference of the EPS, Trends in Physics, E. Matthias, W.J. Merz, (eds.) Istanbul, 176-177 (1981) - Observability of Magnetically Strongly Shifted Iron Line Emission from X- Ray Pulsars.
G. Wunner, H. Ruder, H. Herold, J. Trümper
Proceedings of the 15th ESLAB Symposium on X- Ray Astronomy Amsterdam, Space Science Reviews 30, 337-340 (1981) - Quality of One- Configuration Hartree- Fock- Type Calculations for the H- Atom in Arbitrary Magnetic Fields.
G. Wunner, H. Ruder, H. Herold
Phys. Lett. 85A, 430-432 (1981) - Observability of Atomic Line Features in Strong Magnetic Fields.
G. Wunner, H. Ruder, H. Herold, J. Trümper
In:X-Ray Astronomy in the 1980's S.S. Holt, (ed.) Goddard Space Flight Center, Greenbelt, 471-476 (1981) - Atomphysik in starken Magnetfeldern.
G. Wunner
Habilitationsschrift, Erlangen (1981)
1980
- Transition Probabilities for the Hydrogen Atom in Intense Magnetic Fields Using the Adiabatic Approximation: Comparison with Variational Results
G. Wunner
Astrophys. J. 240, 971-973 (1980) - Relation Between Nuclear Moments of Inertia and the Definition of a Body- Fixed Frame.
G. Wunner, H. Herold, M. Reinecke, H. Ruder
In:Proceedings of the International Conference on Band Structure and Nuclear Dynamics A.L. Goodmann (ed.), New Orleans, 76-78 (1980) - Test of the SDHFB and the HFBP Method in an Exactly Solvable Realistic Model.
M. Reinecke, H. Herold, H. Ruder, G. Wunner
In:Proceedings of the International Conference on Band Structure and Nuclear Dynamics A.L. Goodmann (ed.), New Orleans, 79-81 (1980) - The SDHFB Method for Strongly Deformed Nuclei.
H. Herold, M. Reinecke, H. Ruder, G. Wunner
In:Proceedings of the International Conference on Band Structure and Nuclear Dynamics A.L. Goodmann (ed.), New Orleans, 82-84 (1980) - Specific Decoupling: A New Microscopic Theory of Collective Rotation.
H. Ruder, H. Herold, M. Reinecke, G. Wunner
In:Proceedings of the International Conference on Band Structure and Nuclear Dynamics A.L. Goodmann (ed.), New Orleans, 85-87 (1980) - Microscopic Theory of Nuclear Collective Rotation.
V. The Relation Between the Definition of a Body- Fixed Frame and the Moment of Inertia.
G. Wunner, H. Ruder, H. Herold, M. Reinecke
J. Phys. G.: Nucl. Phys. 6, 1359-1374 (1980) - Electromagnetic Transitions for the Hydrogen Atom in Strong Magnetic Fields.
G. Wunner, H. Ruder
Astrophys. J. 242, 828-842 (1980) - Lyman- and Balmer- Like Transitions for the Hydrogen Atom in Strong Magnetic Fields.
G. Wunner, H. Ruder
Astron. Astrophys. 89, 241- 245 (1980) - Übergangswahrscheinlichkeiten für das Wasserstoffatom im starken Magnetfeld.
G. Wunner, H. Ruder
Mitt. Astron. Ges. 50, 129 (1980) - Positronium im starken Magnetfeld: Elektromagnetische Übergänge und Zerfall.
G. Wunner, H. Herold, H. Ruder
Mitt. Astron. Ges. 50, 131 (1980) - Comment on the Effect of the Proton Mass on the Spectrum of the Hydrogen Atom in a Strong Magnetic Field.
G. Wunner, H. Ruder, H. Herold
Phys. Lett. 79A, 159-161 (1980) - "Feldtheorie"
G. Wunner
Enzyklopädie Naturwissenschaft und Technik Verlag Moderne Industrie, München, Band II, pp 1338-1342 (1980) - "Quantenmechanik"
G. Wunner
Enzyklopädie Naturwissenschaft und Technik Verlag Moderne Industrie, München, Band III, pp 1394-1396 (1980)
1979
- On the Accuracy of Hartree- Fock Calculations in Light Nuclei
G. Wunner
Nucl. Phys. A 318, 304-316 (1979) - Connection between Nuclear Moments of Inertia and Collective Variables
G. Wunner, H. Herold
Phys. Lett. 84 B, 377-378 (1979) - Comparison of 1gamma and 2gamma Annihilation in Strong Magnetic Fields
G. Wunner
Phys. Rev. Lett. 42, 79-81 (1979) - Decay of Positronium in Strong Magnetic Fields
G. Wunner, H. Herold
Astrophys. Space Science 63, 503-509 (1979)
1976
- Zur Problematik der Spezifischen Entkopplung bei deformierten Atomkernen
G. Wunner
Dissertation, Universität Erlangen (1976)
1974
- Die Klassifikation nach inneren Symmetrien beim quantenmechanischen Mehrkörper-Problem
I. Allgemeine Behandlung des Mehrkörperproblems in reduzierten Koordinaten
G. Wunner, H. Ruder, H. Volz
Z. Physik 267, 305-312 (1974) - Die Klassifikation nach inneren Symmetrien beim quantenmechanischen Mehrkörper- Problem
II. n- Teilchensysteme mit harmonischer Wechselwirkung
G. Wunner
Z. Physik 269, 411-420 (1974)
Contact
Günter Wunner
Prof. Dr.Retired Professor