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Abstract:

The evolution generated by general dissipative Hamiltonians is analyzed when a stochastic force is included. Using a mapping technique, the equations of motion for the observables of interest can be given easily. A general dissipativity condition is extracted, whose fulfilment guarantees that thermal equilibrium is reached as the final stage of the evolution. Several existing frictional Hamiltonians are examined and it is seen that the correlation of the fluctuating force is essential to the destruction of a constant of motion inherent to pure quantal behaviour. © 1983.

Registro:

Documento: Artículo
Título:Parametrization of open systems with effective quadratic Hamiltonians plus stochastic force
Autor:Hernández, E.S.; Mizrahi, S.S.
Filiación:Departamento de Física, Facultad de Ciencias Exactas y Naturales, Universidad de Buenos Aires, 1428 Buenos Aires, Argentina
Instituto de Física Teórica, Rua Pamplona 145, Caixa Postal 5956, 01405 São Paulo, SP, Brazil
Año:1983
Volumen:119
Número:1-2
Página de inicio:159
Página de fin:176
DOI: http://dx.doi.org/10.1016/0378-4371(83)90153-X
Título revista:Physica A: Statistical Mechanics and its Applications
Título revista abreviado:Phys A Stat Mech Appl
ISSN:03784371
CODEN:PHYAD
Registro:https://bibliotecadigital.exactas.uba.ar/collection/paper/document/paper_03784371_v119_n1-2_p159_Hernandez

Referencias:

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Citas:

---------- APA ----------
Hernández, E.S. & Mizrahi, S.S. (1983) . Parametrization of open systems with effective quadratic Hamiltonians plus stochastic force. Physica A: Statistical Mechanics and its Applications, 119(1-2), 159-176.
http://dx.doi.org/10.1016/0378-4371(83)90153-X
---------- CHICAGO ----------
Hernández, E.S., Mizrahi, S.S. "Parametrization of open systems with effective quadratic Hamiltonians plus stochastic force" . Physica A: Statistical Mechanics and its Applications 119, no. 1-2 (1983) : 159-176.
http://dx.doi.org/10.1016/0378-4371(83)90153-X
---------- MLA ----------
Hernández, E.S., Mizrahi, S.S. "Parametrization of open systems with effective quadratic Hamiltonians plus stochastic force" . Physica A: Statistical Mechanics and its Applications, vol. 119, no. 1-2, 1983, pp. 159-176.
http://dx.doi.org/10.1016/0378-4371(83)90153-X
---------- VANCOUVER ----------
Hernández, E.S., Mizrahi, S.S. Parametrization of open systems with effective quadratic Hamiltonians plus stochastic force. Phys A Stat Mech Appl. 1983;119(1-2):159-176.
http://dx.doi.org/10.1016/0378-4371(83)90153-X