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Abstract:

It is shown, in an isotropic universe, that the quantum conformal fluctuations of the metric can play a role analogous to the fictitious field of Thermo Field Dynamics (TFD) of Takahashi and Umezawa, when a massless scalar field minimaly coupled to gravity is regarded as matter content. Moreover, by means of an extremum condition on the entropy and the energy, a planckian-like spectrum for the created particles is obtained. © 1995.

Registro:

Documento: Artículo
Título:Can gravity be a thermal reservoir?
Autor:Laciana, C.E.
Filiación:Instituto de Astronomía y Física del Espacio, Casilla de Correo 67 - Sucursal 28, 1428 Buenos Aires, Argentina
Año:1995
Volumen:216
Número:4
Página de inicio:511
Página de fin:517
DOI: http://dx.doi.org/10.1016/0378-4371(95)00022-Y
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_v216_n4_p511_Laciana

Referencias:

  • Takahashi, Umezawa, (1975) Collective Phenomena, 2, pp. 55-80
  • Umezawa, Matsumoto, Tachiki, (1982) Thermo Field Dynamics and Condensed States, , North-Holland, Amsterdam, New York, Oxford
  • Israel, (1976) Phys. Lett. A, 57, pp. 107-110
  • Padmanabhan, SOME FUNDAMENTAL ASPECTS OF SEMICLASSICAL AND QUANTUM GRAVITY (1989) International Journal of Modern Physics A, 4, pp. 4735-4818
  • Narlikar, Padmanabhan, (1986) Gravity, Gauge Theories, and Quantum Cosmology, , Reidel
  • Castagnino, Laciana, Semiclassical Vacuum Definition for Scalar and Vector Fields. II: Quantization of the Conformal Gravitational Mode and the Vacuum of Minimal Energy (1990) Progress of Theoretical Physics, 84, pp. 616-632
  • Hawking, Ellis, Cambridge Monographs on Math. Phys. (1973) The Large Scale Structure of Space-Time
  • Birrell, Davies, (1982) Quantum Fields in Curved Space, , Cambridge Univ. Press, London, New York
  • Castagnino, Laciana, (1988) J. Math. Phys., 29, p. 460
  • Linde, (1990) Particle Physics and Inflationary Cosmology, , Horwood Academic Publishers
  • Umezawa, Yamanaka, (1991) Phys. Lett. A, 155, pp. 75-82
  • Fulling, (1979) Gen. Rel. Grav., 10, p. 807
  • Aritmitsu, Umezawa, (1987) Prog. Theor. Phys., 77, p. 33

Citas:

---------- APA ----------
(1995) . Can gravity be a thermal reservoir?. Physica A: Statistical Mechanics and its Applications, 216(4), 511-517.
http://dx.doi.org/10.1016/0378-4371(95)00022-Y
---------- CHICAGO ----------
Laciana, C.E. "Can gravity be a thermal reservoir?" . Physica A: Statistical Mechanics and its Applications 216, no. 4 (1995) : 511-517.
http://dx.doi.org/10.1016/0378-4371(95)00022-Y
---------- MLA ----------
Laciana, C.E. "Can gravity be a thermal reservoir?" . Physica A: Statistical Mechanics and its Applications, vol. 216, no. 4, 1995, pp. 511-517.
http://dx.doi.org/10.1016/0378-4371(95)00022-Y
---------- VANCOUVER ----------
Laciana, C.E. Can gravity be a thermal reservoir?. Phys A Stat Mech Appl. 1995;216(4):511-517.
http://dx.doi.org/10.1016/0378-4371(95)00022-Y