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Abstract:

The time evolution of a closed system of mean fields and fluctuations is Hamiltonian, with the canonical variables parametrizing the general time-dependent Gaussian density matrix of the system. Yet, the evolution manifests both quantum decoherence and apparent irreversibility of energy flow from the coherent mean fields to fluctuating quantum modes. Using scalar QED as an example, we show how this collisionless damping and decoherence may be understood as the result of dephasing of the rapidly varying fluctuations and particle production in the time varying mean field. © 1996 The American Physical Society.

Registro:

Documento: Artículo
Título:Dissipation and decoherence in mean field theory
Autor:Habib, S.; Kluger, Y.; Mottola, E.; Paz, J.P.
Filiación:Theoretical Division, Los Alamos National Laboratory, MS B285, Los Alamos, NM, 87545, United States
Nuclear Science Division, Lawrence Berkeley National Laboratory, MS 70A-3307, Berkeley, CA, 94720, United States
Departamento de Fisica, FCEN, UBA, Pabellon 1, Ciudad Universitaria, Buenos Aires, 1428, Argentina
Año:1996
Volumen:76
Número:25
Página de inicio:4660
Página de fin:4663
DOI: http://dx.doi.org/10.1103/PhysRevLett.76.4660
Título revista:Physical Review Letters
Título revista abreviado:Phys Rev Lett
ISSN:00319007
Registro:https://bibliotecadigital.exactas.uba.ar/collection/paper/document/paper_00319007_v76_n25_p4660_Habib

Referencias:

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Citas:

---------- APA ----------
Habib, S., Kluger, Y., Mottola, E. & Paz, J.P. (1996) . Dissipation and decoherence in mean field theory. Physical Review Letters, 76(25), 4660-4663.
http://dx.doi.org/10.1103/PhysRevLett.76.4660
---------- CHICAGO ----------
Habib, S., Kluger, Y., Mottola, E., Paz, J.P. "Dissipation and decoherence in mean field theory" . Physical Review Letters 76, no. 25 (1996) : 4660-4663.
http://dx.doi.org/10.1103/PhysRevLett.76.4660
---------- MLA ----------
Habib, S., Kluger, Y., Mottola, E., Paz, J.P. "Dissipation and decoherence in mean field theory" . Physical Review Letters, vol. 76, no. 25, 1996, pp. 4660-4663.
http://dx.doi.org/10.1103/PhysRevLett.76.4660
---------- VANCOUVER ----------
Habib, S., Kluger, Y., Mottola, E., Paz, J.P. Dissipation and decoherence in mean field theory. Phys Rev Lett. 1996;76(25):4660-4663.
http://dx.doi.org/10.1103/PhysRevLett.76.4660