Volume 49, Number 2, January II 2000
|Page(s)||176 - 182|
|Section||Atomic and molecular physics|
|Published online||01 September 2002|
Residual symmetries in the spectrum of periodically driven alkali Rydberg states
Max-Planck-Institut für Physik komplexer Systeme
Nöthnitzer-Str. 38, D-01069 Dresden, Germany
2 Max-Planck-Institut für Quantenoptik Hans-Kopfermann-Str. 1, D-85748 Garching b. München, Germany
3 Sektion Physik der Ludwig-Maximilians-Universität München Schellingstr. 4, D-80799 München, Germany
Accepted: 5 November 1999
We identify a fundamental structure in the spectrum of microwave driven alkali Rydberg states, which highlights the remnants of the Coulomb symmetry in the presence of a nonhydrogenic core. Core-induced corrections with respect to the hydrogen spectrum can be accounted for by a perturbative approach.
PACS: 32.80.Rm – Multiphoton ionization and excitation to highly excited states (e.g., Rydberg states) / 05.45.-a – Nonlinear dynamics and nonlinear dynamical system / 42.50.Hz – Strong-field excitation of optical transitions in quantum systems; multi-photon processes; dynamic Stark shift
© EDP Sciences, 2000
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