The cosmological constant as a thermodynamic black hole parameter

Details The cosmological constant as a thermodynamic black hole parameter The cosmological constant as a thermodynamic black hole parameter

Aug 1985

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1985phlb..158..293t&link_type=abstract

Physics Letters B, Volume 158, Issue 4, p. 293-297.

Physics

7

Scientific paper

One may consider the cosmological constant Λ as a dynamical variable in general relativity. The simplest way of doing this is to couple the gravitational field to a three-index tensor. In a black hole solution Λ appears then as an integration constant (``hair'') in a similar footing with the total mass and charges of the hole. There is a quantum process of radiation of bubbles, analogous to particle emission, which spontaneously reduces Λ. The general laws of black hole thermodynamics still appear to hold.

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