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Can gravity be a thermal reservoir?

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  • Laciana, Carlos E.

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.

Suggested Citation

  • Laciana, Carlos E., 1995. "Can gravity be a thermal reservoir?," Physica A: Statistical Mechanics and its Applications, Elsevier, vol. 216(4), pages 511-517.
    • Handle: RePEc:eee:phsmap:v:216:y:1995:i:4:p:511-517
    DOI: 10.1016/0378-4371(95)00022-Y
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    References listed on IDEAS

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    1. Arimitsu, T. & Sudo, Y. & Umezawa, H., 1987. "Dynamical rearrangement of the thermal vacuum in thermo field dynamics," Physica A: Statistical Mechanics and its Applications, Elsevier, vol. 146(3), pages 433-451.
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