Decay of the true vacuum in curved space-time

Details Decay of the true vacuum in curved space-time Decay of the true vacuum in curved space-time

Aug 1987

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1987phrvd..36.1088l&link_type=abstract

Physical Review D (Particles and Fields), Volume 36, Issue 4, 15 August 1987, pp.1088-1094

Physics

74

Particle-Theory And Field-Theory Models Of The Early Universe, Lagrangian And Hamiltonian Approach

Scientific paper

A field theory whose potential contains more than one stable or metastable minimum is considered. It is shown that if the vacuum energies are greater than zero gravitational effects make it possible for bubbles of a higher-energy ``false vacuum'' to nucleate and expand within a homogeneous region of a lower-energy ``true vacuum.'' A consequence of this is that in a de Sitter or de Sitter-like space-time any initial state will eventually evolve to a unique statistical mixture of all possible vacua. If the vacuum energies are relatively close, this statistical mixture can be described as a collection of subsystems in thermal equilibrium at the Hawking temperature.

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