Publications Main

Here you find the publications of the Main group

2019

  • F. Kogel, S. Kotzur, D. Dizdarevic, J. Main, G. Wunner
    Realization of PT-symmetric and PT-symmetry broken states in static optical potential lattices
    Phys. Rev. A, submitted (2019)
  • M. Tschöpe, M. Feldmaier, J. Main, R. Hernandez
    Neural network approach for the dynamics on the normally hyperbolic invariant manifold of periodically driven systems
    Phys. Rev. E, submitted (2019)
  • M. Feldmaier, P. Schraft, R. Bardakcioglu, J. Reiff, M. Lober, M. Tschöpe, A. Junginger, J. Main, T. Bartsch, R. Hernandez
    Invariant manifolds and rate constants in driven chemical reactions
    J. Phys. Chem. B 123, 2070 (2019)

2018

  • R. Bardakcioglu, A. Junginger, M. Feldmaier, J. Main, R. Hernandez
    Binary contraction method for the construction of time-dependent dividing surfaces in driven chemical reactions
    Phys. Rev. E 98, 032204 (2018)
  • P. Rommel, F. Schweiner, J. Main, J. Heckötter, M. Freitag, D. Fröhlich, K. Lehninger, M. Aßmann, M. Bayer
    Magneto-Stark-effect of yellow excitons in cuprous oxide
    Phys. Rev. B 98, 085206 (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 72, 214 (2018)
  • L. Oberreiter, J. Burkhardt, J. Main, G. Wunner
    Population transfer at exceptional points in the 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 mixed 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)
  • 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)
    Supplemental Material: PDF
  • 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)
  • D. Dast, D. Haag, H. Cartarius, J. Main, G. Wunner
    Stationary states in the many-particle description of Bose-Einstein condensates with balanced gain and loss
    Phys. Rev. A 96, 023625 (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)
  • M. Feldmaier, A. Junginger, J. Main, G. Wunner, R. Hernandez
    Obtaining time-dependent multidimensional dividing surfaces using Lagrangian descriptors
    Chem. Phys. Lett. 687, 194 (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)
  • A. Junginger, J. Main, G. Wunner
    Construction of Darboux coordinates and Poincaré-Birkhoff normal forms in noncanonical Hamiltonian systems
    Physica D 348, 12 (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)
 

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)
  • 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)
  • H. Menke, M. Klett, H. Cartarius, J. Main, G. Wunner
    State flip at exceptional points in atomic spectra
    Phys. Rev. A 93, 013401 (2016)
 

2015

  • L. Schwarz, H. Cartarius, G. Wunner, W. D. Heiss, J. Main
    Fano resonances 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 in 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, 033636 (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)
  • F. Schweiner, J. Main, H. Cartarius, G. Wunner
    Classical dynamics and localization of resonances in the high-energy region of the hydrogen atom in crossed fields
    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.), Springer Series Understanding Complex Systems, pp. 129 - 144 (2015)
 

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, 042123 (2014)
  • M. 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, R. Gutöhrlein
    Dipolar Bose-Einstein condensates in a PT-symmetric double-well potential
    Phys. Rev. A 89, 063608 (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. Haag, D. Dast, J. Main, G. Wunner
    Stability of Bose-Einstein condensates in a PT symmetric double-δ potential close to branch points
    Acta Polytechnica 54, 133 - 138 (2014)
  • D. Haag, D. Dast, A. Löhle, H. Cartarius, J. Main, G. Wunner
    Nonlinear quantum dynamics in a PT-symmetric double well
    Phys. Rev. A 89, 023601 (2014)
 

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)
  • A. Junginger, J. Main, G. Wunner, T. Bartsch
    Symmetry-breaking thermally induced collapse of dipolar Bose-Einstein condensates
    Phys. Rev. A 86, 023632 (2012)
  • M. Kreibich, H. Cartarius, J. Main, G. Wunner
    A nonlinear dynamics approach to Bogoliubov excitations of Bose-Einstein condensates
    Proceedings of the "8th International Summer School/Conference LET'S FACE CHAOS THROUGH NONLINEAR DYNAMICS", CAMTP, University of Maribor, Slovenia, 26 June - 10 July 2011
    AIP Conf. Proc., Vol. 1468, pp. 216-222 (2012)
  • M. Kreibich, J. Main, G. Wunner
    Relation between the eigenfrequencies of Bogoliubov excitations of Bose-Einstein condensates and the eigenvalues of the Jacobian in a time-dependent variational approach
    Phys. Rev. A 86, 013608 (2012)
  • A. Junginger, J. Main, G. Wunner
    Quantum-classical model for the formation of Rydberg molecules
    Phys. Rev. A 86, 012713 (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, M. Dorwarth, J. Main, G. Wunner
    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

  • 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)

 

+-

 

  • G. Wunner, H. Cartarius, T. Fabčič, P. Köberle, J. Main, T. Schwidder
    Nonlinear dynamics of Bose-Einstein condensates with long-range interactions
    Proceedings of the "7th International Summer School/Conference LET'S FACE CHAOS THROUGH NONLINEAR DYNAMICS", CAMTP, University of Maribor, Slovenia, 29 June - 13 July 2008
    AIP Conf. Proc., Vol. 1076, pp. 282-291 (2008)
  • H. Cartarius, T. Fabčič, J. Main, G. Wunner
    Dynamics and stability of Bose-Einstein condensates with attractive 1/r interaction
    Phys. Rev. A 78, 013615 (2008)
  • S. Bücheler, D. Engel, J. Main, G. Wunner
    Diffusion Monte Carlo calculations for the ground states of atoms and ions in neutron star magnetic fields
    in: Proceedings of the 9th International Conference on "Path Integrals - New Trends and Perspectives", Dresden 2007, edited by W. Janke and A. Pelster, World Scientific, Singapore (2008)
  • U. Kuhl, R. Höhmann, J. Main, H.-J. Stöckmann
    Resonance widths in open microwave cavities studied by harmonic inversion
    Phys. Rev. Lett. 100, 254101 (2008)
  • J. Wiersig, J. Main
    Fractal Weyl law for chaotic microcavities: Fresnel's laws imply multifractal scattering
    Phys. Rev. E 77, 036205 (2008)
  • T. Fabčič, J. Main, G. Wunner
    Time propagation of constrained coupled Gaussian wave packets
    J. Chem. Phys. 128, 044116 (2008)
  • H. Cartarius, J. Main, G. Wunner
    Discovery of exceptional points in the Bose-Einstein condensation of gases with attractive 1/r interaction
    Phys. Rev. A 77, 013618 (2008)
 

 

T. Fabčič, J. Main, T. Bartsch, G. Wunner
Photoabsorption spectra of the diamagnetic hydrogen atom in the transition regime to chaos: Closed orbit theory with bifurcating orbits
J. Phys. B 38, S219 - S239 (2005)

  • J. Main, G. Wunner
    Comment on "Nonclassical paths in the recurrence spectrum of diamagnetic atoms"
    Phys. Rev. Lett. 93, 099301 (2004)
  • J. Main, E. Atilgan, H. S. Taylor, G. Wunner
    Classical, semiclassical, and quantum investigations of the four-sphere scattering system
    Phys. Rev. E 69, 056227 (2004)
  • S. D. Kunikeev, E. Atilgan, H. S. Taylor, A. L. Kaledin, J. Main
    An application of error reduction and harmonic inversion schemes to the semiclassical calculation of molecular vibrational energy levels
    J. Chem. Phys. 120, 6478 - 6486 (2004)
 
 
 
 
 

1999

 

1998

  • J. Main, K. Weibert, G. Wunner
    ℏ expansion for the periodic orbit quantization by harmonic inversion
    Phys. Rev. E 58, 4436 - 4439 (1998)
  • D. Engel, J. Main, G. Wunner
    Higher-order energy level spacing distributions in the transition region between regularity and chaos
    J. Phys. A 31, 6965 - 6974 (1998)
  • K. Weibert, J. Main, G. Wunner
    General Rydberg atoms in crossed electric and magnetic fields: Calculation of semiclassical recurrence spectra with special emphasis on core effects
    Annals of Physics 268, 172 - 204 (1998)
  • J. Main, V. A. Mandelshtam, G. Wunner, H. S. Taylor
    Harmonic inversion as a general method for periodic orbit quantization
    Nonlinearity 11, 1015 - 1035 (1998)
  • J. Main
    Semiclassical quantization and analysis of chaotic systems
    Habilitationsschrift, Ruhr-Universität Bochum, 1998
  • J. Main, G. Wunner
    Uniform semiclassical approximations for umbilic bifurcation catastrophes
    Phys. Rev. E 57, 7325 - 7328 (1998)
  • J. Main, M. Schwacke, G. Wunner
    Hydrogen atom in combined electric and magnetic fields with arbitrary mutual orientations
    Phys. Rev. A 57, 1149 - 1157 (1998)
  • J. Main, G. Wunner
    Atoms in external fields: Ghost orbits, catastrophes, and uniform semiclassical approximations
    In: Proceedings of the 172. WE-Heraeus-Seminar "Atoms and molecules in strong external fields"
    P. Schmelcher and W. Schweizer (ed.), Plenum Press, 223 - 232 (1998)
  • J. Main, G. Wunner, V. A. Mandelshtam, H. S. Taylor
    Analysis of quantum spectra by harmonic inversion
    In: Proceedings of the 172. WE-Heraeus-Seminar "Atoms and molecules in strong external fields"
    P. Schmelcher and W. Schweizer (ed.), Plenum Press, 215 - 222 (1998)
 

1997

  • J. Main, V. A. Mandelshtam, H. S. Taylor
    Periodic orbit quantization by harmonic inversion of Gutzwiller's recurrence function
    Phys. Rev. Lett. 79, 825 - 828 (1997)
  • J. Main, V. A. Mandelshtam, H. S. Taylor
    High resolution quantum recurrence spectra: Beyond the uncertainty principle
    Phys. Rev. Lett. 78, 4351 - 4354 (1997)
  • J. Main, C. Jung, H. S. Taylor
    Extracting the dynamics in classically chaotic quantum systems: Spectral analysis of the HO2 molecule
    J. Chem. Phys. 107, 6577 - 6583 (1997)
  • J. Main, C. Jung, H. S. Taylor
    Spectral analysis of the HO2 molecule
    In: Highly Excited Molecules: Relaxation, Reaction, and Structure, A. S. Mullin and G. C. Schatz (ed.)
    ACS Symposium Series 678, 39 - 50 (1997)
  • C. Jung, J. Main, V. A. Mandelshtam, H. S. Taylor
    The role of unstable invariant sets in chemical reactions
    In: Computational Chemistry and Chemical Engineering: Proceedings of the Third UNAM-CRAY Supercomputing Conference
    G. Cisneros, J. A. Cogordau, M. Castro, and C. Wang (ed.)
    World Scientific, Singapore, 52 - 62 (1997)
  • J. Main, G. Wunner
    Hydrogen atom in a magnetic field: Ghost orbits, catastrophes, and uniform semiclassical approximations
    Phys. Rev. A 55, 1743 - 1759 (1997)
  • J. Main
    Semiclassical approaches to atoms in external fields
    In: Classical, Semiclassical and Quantum Dynamics in Atoms, B. Eckhardt and H. Friedrich (ed.)
    Lecture Notes in Physics 485, Springer-Verlag, 248 - 273 (1997)
 

1996

 

1995

  • B. Eckhardt, J. Main
    Semiclassical form factor of matrix element fluctuations
    Phys. Rev. Lett. 75, 2300 - 2303 (1995)
  • B. Eckhardt, S. Fishman, K. Keating, O. Agam, J. Main, K. Müller
    Approach to ergodicity in quantum wave functions
    Phys. Rev. E 52, 5893 - 5903 (1995)
  • D. Boosé, J. Main, B. Mehlig, K. Müller
    Variance of transition amplitudes for hydrogen in a strong magnetic field
    Europhys. Lett. 32, 295 - 300 (1995)
  • B. Hüpper, J. Main, G. Wunner
    Photoabsorption of nonhydrogenic Rydberg atoms in a magnetic field: Effects of core-scattered classical orbits
    Phys. Rev. Lett. 74, 2650 - 2653 (1995)
  • N. Merani, J. Main, G. Wunner
    Balmer and Paschen bound-free opacities for hydrogen in strong white dwarf magnetic fields
    Astronomy and Astrophysics 298, 193 (1995)
  • N. Merani, J. Main, G. Wunner
    Atomic data for bound-bound and bound-free opacities of hydrogen in a strong magnetic field
    In: Astrophysical Applications of Powerful New Databases, S. J. Adelman and W. L. Wiese (ed.),
    ASP Conference Series, Vol. 78, 81 (1995)
 

1994

  • J. Main, G. Wiebusch, K. H. Welge, J. Shaw, J. B. Delos
    Recurrence spectroscopy: Observation and interpretation of large-scale structure in the absorption spectra of atoms in magnetic fields
    Phys. Rev. A 49, 847 - 868 (1994)
  • E. Flöthmann, J. Main, K. H. Welge
    The Kepler ellipses of the hydrogen atom in crossed electric and magnetic fields
    J. Phys. B 27, 2821 - 2834 (1994)
  • J. Main, G. Wunner
    Rydberg atoms in external fields as an example of open quantum systems with classical chaos
    J. Phys. B 27, 2835 - 2848 (1994)
  • J. Main, G. Wunner
    Rydberg systems in external fields: An example of open systems with quantum chaos
    J. Phys. Soc. Jpn. 63A, 73 (1994)
  • J. Main, G. Wunner
    Rydberg systems in external fields as an example of open quantum systems with classical chaos
    In: Proceedings of the International Symposium on Quantum Chemistry and Technology in the Mesoscopic Level,
    H. Hasegawa (ed.), Fukui, Japan, 78 (1994)
 

1992

  • J. Main, G. Wunner
    Ericson fluctuations in the chaotic ionization of the hydrogen atom in crossed magnetic and electric fields
    Phys. Rev. Lett. 69, 586 - 589 (1992)
  • J. Main, G. Wiebusch, K. H. Welge
    Spectroscopy of the classically chaotic hydrogen atom in magnetic fields
    In: Irregular atomic systems and quantum chaos,
    J. C. Gay (ed.), Gordon and Breach Science Publishers, 241 - 259 (1992)
 

1991

  • J. Main
    Das hochangeregte Wasserstoffatom im Magnetfeld und in gekreuzten magnetischen und elektrischen Feldern
    Dissertation, Universität Bielefeld, 1991
  • J. Main, G. Wiebusch, K. H. Welge
    Spectroscopy of the classically chaotic hydrogen atom in magnetic fields
    Comments At. Mol. Phys. 25, 233 - 251 (1991)
 

1989

  • G. Wiebusch, J. Main, K. Krüger, H. Rottke, A. Holle, K. H. Welge
    Hydrogen atom in crossed magnetic and electric fields
    Phys. Rev. Lett. 62, 2821 - 2824 (1989)
  • A. Holle, J. Main, G. Wiebusch, H. Rottke, K. H. Welge
    Diamagnetism of the hydrogen atom in the quasi-Landau regime
    In: Lecture Notes in Physics 339,
    F. Ehlotzky (ed.), Springer-Verlag, 230 (1989)
 

1988

  • A. Holle, J. Main, G. Wiebusch, H. Rottke, K. H. Welge
    Quasi-Landau spectrum of the chaotic diamagnetic hydrogen atom
    Phys. Rev. Lett. 61, 161 - 164 (1988)
  • A. Holle, J. Main, G. Wiebusch, H. Rottke, K. H. Welge
    Laserspectroscopy of the diamagnetic hydrogen atom in the chaotic regime
    In: Atomic Spectra and Collisions in External Fields,
    K. T. Taylor, M. H. Nayfeh, and C. W. Clark (ed.), Plenum Press, 1 - 8 (1988)
 

1987

  • A. Holle, G. Wiebusch, J. Main, K. H. Welge, G. Wunner, T. Ertl, H. Ruder
    Hydrogenic Rydberg atoms in strong magnetic fields: Theoretical and experimental spectra in the transition region from regularity to irregularity
    Z. Phys. D 5, 279 (1987)
  • J. Main, A. Holle, G. Wiebusch, K. H. Welge
    Semiclassical quantization of three-dimensional quasi-Landau resonances under strong field mixing
    Z. Phys. D 6, 295 (1987)
 

1986

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