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Anomalous power law of quantum reversibility for classically regular dynamics

Jacquod, . and Adagideli, Inanc and Beenakker, C. (2003) Anomalous power law of quantum reversibility for classically regular dynamics. Europhysics Letters 61, pp. 729-735.

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Other URL: http://www.edpsciences.org/10.1209/epl/i2003-00289-y


Abstract

The Loschmidt Echo M(t) (defined as the squared overlap of wave packets evolving with two slightly different Hamiltonians) is a measure of quantum reversibility. We investigate its behavior for classically quasi-integrable systems. A dominant regime emerges where M(t) ${\approx}$ t^{-alpha} with alpha=3d/2 depending solely on the dimension d of the system. This power law decay is faster than the ...

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Item Type:Article
Date:2003
Institutions:UNSPECIFIED
Identification Number:
ValueType
quant-ph/0206160arXiv ID
Related URLs:
URLURL Type
http://arxiv.org/abs/quant-ph/0206160Preprint
Subjects:500 Science > 530 Physics
Status:Published
Refereed:Yes, this version has been refereed
Created at the University of Regensburg:Yes
Owner: Redakteur Physik
Deposited On:20 Mar 2007
Last Modified:05 Aug 2009 13:33
Item ID:1863
Owner Only: item control page
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