delocalization and sensitivity of quantum wavepacket in coherently perturbed kicked anderson model
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ID: 146777
2004
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Abstract
Abstract: We consider quantum diffusion of the initially localized wavepacket in one-dimensional kicked disordered system with classical coherent perturbation. The wavepacket localizes in the unperturbed kicked Anderson model. However, the wavepacket get delocalized even by coupling with monochromatic perturbation. We call the state "dynamically delocalized state". It is numerically shown that the delocalized wavepacket spread obeying diffusion law, and the perturbation strength dependence of the diffusion rate is given. The sensitivity of the delocalized state is also shown by the time-reversal experiment after random change in phase of the wavepacket. Moreover, it is found that the diffusion strongly depend on the initial phase of the perturbation. We discuss a relation between the "classicalization" of the quantum wave packet and the time-dependence of the initial phase dependence. The complex structure of the initial phase dependence is related to the entropy production in the quantum system.
| Reference Key |
yamada2004entropydelocalization
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|---|---|
| Authors | ;Hiroaki Yamada |
| Journal | European journal of medicinal chemistry |
| Year | 2004 |
| DOI |
10.3390/e6010133
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| URL | |
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