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Abstract:

We show that the rate of increase of Von Neumann entropy computed from the reduced density matrix of an open quantum system is an excellent indicator of the dynamical behavior of its classical Hamiltonian counterpart. In decohering quantum analogs of systems which exhibit classical Hamiltonian chaos entropy production rate quickly tends to a constant which is given by the sum of the positive Lyapunov exponents, and falls off only as the system approaches equilibrium. By contrast, integrable systems tend to have an entropy production rate which decreases as t-1 well before equilibrium is attained. Thus, behavior of quantum systems in contact with the environment can be used as a test to determine the nature of their Hamiltonian evolution. © 1995.

Registro:

Documento: Artículo
Título:Quantum chaos: a decoherent definition
Autor:Zurek, W.H.; Paz, J.P.
Filiación:Theoretical Astrophysics, Los Alamos National Laboratory, Los Alamos, NM 87545, United States
Departamento de Física, Facultad de Ciencias Exactas y Naturales, Pabellón 1, Ciudad Universitaria, 1428 Buenos Aires, Argentina
Año:1995
Volumen:83
Número:1-3
Página de inicio:300
Página de fin:308
DOI: http://dx.doi.org/10.1016/0167-2789(94)00271-Q
Título revista:Physica D: Nonlinear Phenomena
Título revista abreviado:Phys D Nonlinear Phenom
ISSN:01672789
CODEN:PDNPD
Registro:https://bibliotecadigital.exactas.uba.ar/collection/paper/document/paper_01672789_v83_n1-3_p300_Zurek

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Citas:

---------- APA ----------
Zurek, W.H. & Paz, J.P. (1995) . Quantum chaos: a decoherent definition. Physica D: Nonlinear Phenomena, 83(1-3), 300-308.
http://dx.doi.org/10.1016/0167-2789(94)00271-Q
---------- CHICAGO ----------
Zurek, W.H., Paz, J.P. "Quantum chaos: a decoherent definition" . Physica D: Nonlinear Phenomena 83, no. 1-3 (1995) : 300-308.
http://dx.doi.org/10.1016/0167-2789(94)00271-Q
---------- MLA ----------
Zurek, W.H., Paz, J.P. "Quantum chaos: a decoherent definition" . Physica D: Nonlinear Phenomena, vol. 83, no. 1-3, 1995, pp. 300-308.
http://dx.doi.org/10.1016/0167-2789(94)00271-Q
---------- VANCOUVER ----------
Zurek, W.H., Paz, J.P. Quantum chaos: a decoherent definition. Phys D Nonlinear Phenom. 1995;83(1-3):300-308.
http://dx.doi.org/10.1016/0167-2789(94)00271-Q