publication . Preprint . Article . 2006

Transient localization in the kicked Rydberg atom

Emil Persson; Sebastian Fürthauer; Sandro Wimberger; Joachim Burgdörfer;
Open Access English
  • Published: 22 Nov 2006
Abstract
We investigate the long-time limit of quantum localization of the kicked Rydberg atom. The kicked Rydberg atom is shown to possess in addition to the quantum localization time $\tau_L$ a second cross-over time $t_D$ where quantum dynamics diverges from classical dynamics towards increased instability. The quantum localization is shown to vanish as either the strength of the kicks at fixed principal quantum number or the quantum number at fixed kick strength increases. The survival probability as a function of frequency in the transient localization regime $\tau_L<t<t_D$ is characterized by highly irregular, fractal-like fluctuations.
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free text keywords: Quantum Physics, Atomic and Molecular Physics, and Optics, Quantum, Quantum number, Quantum chaos, Principal quantum number, Quantum dynamics, Atom, Atomic physics, Instability, Quantum mechanics, Rydberg atom, Physics
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