Phase transitions in De Sitter space

Details Phase transitions in De Sitter space Phase transitions in De Sitter space

Sep 1983

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1983nuphb.226..228a&link_type=abstract

Nuclear Physics B, Volume 226, Issue 1, p. 228-252.

Physics

Nuclear Physics

141

Scientific paper

This paper uses zeta-function regularisation to calculate the one-loop functional determinants for fields of any spin in De Sitter space. As an example, we investigate the Coleman-Weinberg spontaneous symmetry breaking mechanism in massless scalar electrodynamics. The effective potential is calculated in Landau gauge. It depends upon the curvature, and upon the renormalised value of ζ (inζRφ2). The phase transition will be first or second order, and the critical curvature and mass are found. The methods can be applied to any gauge theory.

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