Please use this identifier to cite or link to this item: https://doi.org/10.1103/PhysRevE.75.016201
Title: Stability of quantum motion in regular systems: A uniform semiclassical approach
Authors: Wang, W.-G. 
Casati, G. 
Li, B. 
Issue Date: 2007
Citation: Wang, W.-G., Casati, G., Li, B. (2007). Stability of quantum motion in regular systems: A uniform semiclassical approach. Physical Review E - Statistical, Nonlinear, and Soft Matter Physics 75 (1) : -. ScholarBank@NUS Repository. https://doi.org/10.1103/PhysRevE.75.016201
Abstract: We study the stability of quantum motion of classically regular systems in the presence of small perturbations. On the basis of a uniform semiclassical theory we derive the fidelity decay which displays a quite complex behavior, from Gaussian to power law decay t-α, with 1≤α≤2. Semiclassical estimates are given for the time scales separating the different decaying regions, and numerical results are presented which confirm our theoretical predictions. © 2007 The American Physical Society.
Source Title: Physical Review E - Statistical, Nonlinear, and Soft Matter Physics
URI: http://scholarbank.nus.edu.sg/handle/10635/98012
ISSN: 15393755
DOI: 10.1103/PhysRevE.75.016201
Appears in Collections:Staff Publications

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