Document Detail


Loschmidt echo in a system of interacting electrons.
MedLine Citation:
PMID:  17155599     Owner:  NLM     Status:  PubMed-not-MEDLINE    
Abstract/OtherAbstract:
We study the Loschmidt echo for a system of electrons interacting through mean-field Coulomb forces. The electron gas is modeled by a self-consistent set of hydrodynamic equations. It is observed that the quantum fidelity drops abruptly after a time that is proportional to the logarithm of the perturbation amplitude. The fidelity drop is related to the breakdown of the symmetry properties of the wave function.
Authors:
G Manfredi; P-A Hervieux
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Publication Detail:
Type:  Journal Article     Date:  2006-11-10
Journal Detail:
Title:  Physical review letters     Volume:  97     ISSN:  0031-9007     ISO Abbreviation:  Phys. Rev. Lett.     Publication Date:  2006 Nov 
Date Detail:
Created Date:  2006-12-12     Completed Date:  2007-01-11     Revised Date:  -    
Medline Journal Info:
Nlm Unique ID:  0401141     Medline TA:  Phys Rev Lett     Country:  United States    
Other Details:
Languages:  eng     Pagination:  190404     Citation Subset:  -    
Affiliation:
Institut de Physique et Chimie des Matériaux de Strasbourg, UMR 7504 ULP-CNRS, 23 Rue du Loess, BP 43, F-67034 Strasbourg Cedex 2, France. giovanni_manfredi@ipcms.u-strasbg.fr
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