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Abstract:

We formulate an extension of the Quantal Brownian Motion (QBM) model for collective mode damping designed to include coupling to other normal modes of the system. We derive the equations of motion of the macroscopic coordinates and of the fermionic and bosonic degrees of freedom and investigate their exact solution in the thermodynamic limit of the heat reservoir. We examine the properties of the microscopic transition rates and their dependence on the macroscopic parameters as well as on the coupling strengths. The characteristic times of the damping process are extracted and their trend is analyzed. © 1988.

Registro:

Documento: Artículo
Título:Extension of the quantal Brownian motion model to bosonic reservoirs
Autor:Despósito, M.A.; Hernández, E.S.
Filiación:Departamento de Física, Facultad de Ciencias Exactas y Naturales, Universidad de Buenos Aires, 1428 Buenos Aires, Argentina
Año:1988
Volumen:148
Número:1-2
Página de inicio:267
Página de fin:287
DOI: http://dx.doi.org/10.1016/0378-4371(88)90146-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_v148_n1-2_p267_Desposito

Referencias:

  • Hernández, Dorso, Quantal Brownian motion in stationary and nonstationary fermionic reservoirs (1984) Physical Review C, 29, p. 1510
  • Dorso, Hernández, (1984) Phys. Rev. C, 29, p. 1523
  • de la Mota, Dorso, Hernández, (1984) Phys. Lett. B, 143, p. 279
  • Hernández, Dorso, Dissipative dynamics of interacting quantal degrees of freedom in spherical nuclei (1984) Physical Review C, 30, p. 1711
  • Hernández, On the relaxation of quantal time-dependent harmonic excitations (1985) Physica A: Statistical Mechanics and its Applications, 132 A, p. 28
  • Hernández, Kievsky, Damping of cylindrical phonons in extense fermion matter (1985) Physical Review A, 32, p. 1810
  • Cataldo, Hernández, Dorso, (1987) Physica, 142 A, p. 498
  • Kievsky, Hernández, (1986) Physica, 139 A, p. 149
  • Hernández, Kievsky, Resonance splitting and broadening in axially deformed fermionic systems (1986) Physical Review A, 34, p. 2433
  • Hernández, Cataldo, Two phonon induced single particle widths in thermally excited Fermion matter (1987) Physica A: Statistical Mechanics and its Applications, 142 A, p. 517
  • H.M. Cataldo and E.S. Hernández, J. Stat. Phys., to be published

Citas:

---------- APA ----------
Despósito, M.A. & Hernández, E.S. (1988) . Extension of the quantal Brownian motion model to bosonic reservoirs. Physica A: Statistical Mechanics and its Applications, 148(1-2), 267-287.
http://dx.doi.org/10.1016/0378-4371(88)90146-X
---------- CHICAGO ----------
Despósito, M.A., Hernández, E.S. "Extension of the quantal Brownian motion model to bosonic reservoirs" . Physica A: Statistical Mechanics and its Applications 148, no. 1-2 (1988) : 267-287.
http://dx.doi.org/10.1016/0378-4371(88)90146-X
---------- MLA ----------
Despósito, M.A., Hernández, E.S. "Extension of the quantal Brownian motion model to bosonic reservoirs" . Physica A: Statistical Mechanics and its Applications, vol. 148, no. 1-2, 1988, pp. 267-287.
http://dx.doi.org/10.1016/0378-4371(88)90146-X
---------- VANCOUVER ----------
Despósito, M.A., Hernández, E.S. Extension of the quantal Brownian motion model to bosonic reservoirs. Phys A Stat Mech Appl. 1988;148(1-2):267-287.
http://dx.doi.org/10.1016/0378-4371(88)90146-X