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Abstract:

In the frame of the time-convolutionless generalized master equation approach, an analysis of a spin relaxation is made within and without the rotating wave approximation. The non-Markovian reduced dynamics is investigated, giving explicit expressions for the time-dependent involved coefficients, and numerical results are presented for the Ohmic reservoir model. The comparisons between these results and those obtained with the Markovian approximation are developed, analyzing the positivity of the reduced dynamics in the short transient time.

Registro:

Documento: Artículo
Título:Memory effects in the spin relaxation within and without rotating wave approximation
Autor:Blanga, L.D.; Despósito, M.A.
Filiación:Departamento de Física, Fac. de Ciencias Exactas y Naturales, Universidad de Buenos Aires, 1428 Buenos Aires, Argentina
Año:1996
Volumen:227
Número:3-4
Página de inicio:248
Página de fin:261
DOI: http://dx.doi.org/10.1016/0378-4371(95)00472-6
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_v227_n3-4_p248_Blanga

Referencias:

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Citas:

---------- APA ----------
Blanga, L.D. & Despósito, M.A. (1996) . Memory effects in the spin relaxation within and without rotating wave approximation. Physica A: Statistical Mechanics and its Applications, 227(3-4), 248-261.
http://dx.doi.org/10.1016/0378-4371(95)00472-6
---------- CHICAGO ----------
Blanga, L.D., Despósito, M.A. "Memory effects in the spin relaxation within and without rotating wave approximation" . Physica A: Statistical Mechanics and its Applications 227, no. 3-4 (1996) : 248-261.
http://dx.doi.org/10.1016/0378-4371(95)00472-6
---------- MLA ----------
Blanga, L.D., Despósito, M.A. "Memory effects in the spin relaxation within and without rotating wave approximation" . Physica A: Statistical Mechanics and its Applications, vol. 227, no. 3-4, 1996, pp. 248-261.
http://dx.doi.org/10.1016/0378-4371(95)00472-6
---------- VANCOUVER ----------
Blanga, L.D., Despósito, M.A. Memory effects in the spin relaxation within and without rotating wave approximation. Phys A Stat Mech Appl. 1996;227(3-4):248-261.
http://dx.doi.org/10.1016/0378-4371(95)00472-6