Can gravity be a thermal reservoir?

Details Can gravity be a thermal reservoir? Can gravity be a thermal reservoir?

Feb 1995

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1995phya..216..511l&link_type=abstract

Physica A, Volume 216, Issue 4, p. 511-517.

Physics

2

Scientific paper

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.

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