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Anomalous power law of quantum reversibility for classically regular dynamics

Jacquod, P. 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
Institutionen:UNSPECIFIED
Identification Number:
WertTyp
quant-ph/0206160arXiv ID
Related URLs:
URLURL Type
http://arxiv.org/abs/quant-ph/0206160Preprint
Subjects:500 Science > 530 Physics
Status:Published
Refereed:Ja, diese Version wurde begutachtet
An der Universität Regensburg entstanden:Ja
Angelegt von: Redakteur Physik
Deposited On:20 Mar 2007
Last Modified:16 Jan 2015 09:11
Item ID:1863
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