Sphalerons at finite temperature

Details Sphalerons at finite temperature Sphalerons at finite temperature

1993-02-26

arxiv.org/abs/hep-ph/9302314v1

Int.J.Mod.Phys. A8 (1993) 5563-5574

Physics

High Energy Physics

High Energy Physics - Phenomenology

14 pages, plain tex, 5 figures appended as postscript files at the end of the paper. MONS-93/01, THU-93/01

Scientific paper

We construct the sphaleron for several temperature dependent effective potentials. We determine the sphaleron energy as a function of temperature and demonstrate that the sphaleron energy at a given temperature $T$ is well approximated by the sphaleron energy at temperature zero scaled by the ratio of the vacuum expectation values of the Higgs field at temperatures $T$ and zero. We address the cosmological upper bound on the Higgs mass.

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