Transient localization in the kicked Rydberg atom

被引：5
|
作者：
Persson, Emil
Fuerthauer, S.
Wimberger, S.
Burgdoerfer, J.
机构：
[1] Vienna Univ Technol, Inst Theoret Phys, A-1040 Vienna, Austria
[2] INFM, CNRS, Dipartimento Fis Enrico Fermi, I-56127 Pisa, Italy
来源：
PHYSICAL REVIEW A | 2006年 / 74卷 / 05期
关键词：
D O I：
10.1103/PhysRevA.74.053417
中图分类号：
O43 [光学];
学科分类号：
070207 ; 0803 ;
摘要：
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 crossover 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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页数：10
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