Thermal Decay of the Cosmological Constant into Black Holes

Details Thermal Decay of the Cosmological Constant into Black Holes Thermal Decay of the Cosmological Constant into Black Holes

2003-11-03

arxiv.org/abs/hep-th/0311011v2

Phys.Rev. D69 (2004) 083520

Physics

High Energy Physics

High Energy Physics - Theory

14 pages, 6 figures. Minor corrections

Scientific paper

10.1103/PhysRevD.69.083520

We show that the cosmological constant may be reduced by thermal production of membranes by the cosmological horizon, analogous to a particle ``going over the top of the potential barrier", rather than tunneling through it. The membranes are endowed with charge associated with the gauge invariance of an antisymmetric gauge potential. In this new process, the membrane collapses into a black hole, thus the net effect is to produce black holes out of the vacuum energy associated with the cosmological constant. We study here the corresponding Euclidean configurations ("thermalons"), and calculate the probability for the process in the leading semiclassical approximation.

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