Phase transitions and formation of bubbles in the early Universe

Details Phase transitions and formation of bubbles in the early Universe Phase transitions and formation of bubbles in the early Universe

Jun 1992

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1992phrvd..45.4400m&link_type=abstract

Physical Review D (Particles, Fields, Gravitation, and Cosmology), Volume 45, Issue 12, 15 June 1992, pp.4400-4410

Physics

2

Particle-Theory And Field-Theory Models Of The Early Universe

Scientific paper

We analyze the bubble-formation process that occurs when there is phase coexistence in the early Universe. In this paper we stress the relevance of determining the surface tension in order to compute some quantities that are relevent to cosmology such as the number density of bubbles, the contrast density, and the most probable sizes of bubbles (critical radius). We show how these quantities can be expressed as a function of the surface tension. We propose a method for computing this thermodynamical variable. The surface tension is shown to acquire a very simple dependence in the high-temperature limit and can be easily predicted up to the one-loop approximation.

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