Weak Coupling Phase Structureof the Abelian Higgs Model at Finite Temperature

Details Weak Coupling Phase Structureof the Abelian Higgs Model at Finite Temperature Weak Coupling Phase Structureof the Abelian Higgs Model at Finite Temperature

1993-05-03

arxiv.org/abs/hep-ph/9305201v1

Z.Phys. C60 (1993) 361-368

Physics

High Energy Physics

High Energy Physics - Phenomenology

16 pages+ 4 figures, BI-TP 93/18

Scientific paper

10.1007/BF01474635

Using the 1-loop reduced 3D action of the Abelian Higgs-model we discuss the order of its finite temperature phase transition. A two-variable saddle point approximation is proposed for the evaluation of the effective potential. The strength of the first order case scales like \sim e^{3-6}. Analytic asymptotic weak coupling and numerical small coupling solutions are compared with special emphasis on the cancellation of divergences. (Figures are not included, can be sent upon request from jako@hercules.elte.hu .)

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