Article (Scientific journals)
Lyapunov generation of entanglement and the correspondence principle
Petitjean, Cyril; Jacquod, Ph
2006In Physical Review Letters, 97 (19), p. 194103-4
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Abstract :
[en] We show how a classically vanishing interaction generates entanglement between two initially nonentangled particles, without affecting their classical dynamics. For chaotic dynamics, the rate of entanglement is shown to saturate at the Lyapunov exponent of the classical dynamics as the interaction strength increases. In the saturation regime, the one-particle Wigner function follows classical dynamics better and better as one goes deeper and deeper in the semiclassical limit. This demonstrates that quantum-classical correspondence at the microscopic level does not require coupling to a large number of external degrees of freedom.
Disciplines :
Physics
Author, co-author :
Petitjean, Cyril ;  Université de Liège - ULiège > Département de physique > Physique quantique statistique
Jacquod, Ph;  Univ Arizona, Dept Phys, Tucson, AZ 85721 USA.
Language :
English
Title :
Lyapunov generation of entanglement and the correspondence principle
Publication date :
2006
Journal title :
Physical Review Letters
ISSN :
0031-9007
eISSN :
1079-7114
Publisher :
American Physical Soc, College Pk, United States - Maryland
Volume :
97
Issue :
19
Pages :
194103-4
Peer reviewed :
Peer Reviewed verified by ORBi
Available on ORBi :
since 04 December 2013

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