Wormholes and thermodynamics

Details Wormholes and thermodynamics Wormholes and thermodynamics

Jul 1996

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1996phrvd..54.1856g&link_type=abstract

Physical Review D (Particles, Fields, Gravitation, and Cosmology), Volume 54, Issue 2, 15 July 1996, pp.1856-1859

Physics

1

Canonical Quantization, Quantum Aspects Of Black Holes, Evaporation, Thermodynamics

Scientific paper

Hawking has recently pointed out that black holes cannot evaporate and disappear through wormholes because the entropy of a baby universe would not equal its size squared times some proportionality constant. In this report it is shown that multiply connected Euclidean wormhole spacetimes can be associated with nonlinear dynamic laws which are analogous to those of nonequilibrium thermodynamics, making plausible a full generalization of thermodynamics encompassing both nonequilibrium and gravitational effects. It is seen that both at equilibrium and out of it baby universe thermodynamics can provide the right relation between the size of the originating black hole and its entropy.

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