Electroweak bubbles and sphalerons

Details Electroweak bubbles and sphalerons Electroweak bubbles and sphalerons

1993-04-15

arxiv.org/abs/hep-ph/9304256v1

Phys.Rev. D48 (1993) 3884-3890

Physics

High Energy Physics

High Energy Physics - Phenomenology

14 pages, plain tex, 9 figures appended as postscript files at the end of the paper. THU-93/09

Scientific paper

10.1103/PhysRevD.48.3884

We consider non-perturbative solutions of the Weinberg-Salam model at finite temperature. We employ an effective temperature-dependent potential yielding a first order phase transition. In the region of the phase transition, there exist two kinds of static, spherically symmetric solutions: sphalerons and bubbles. We analyze these solutions as functions of temperature. We consider the most general spherically symmetric fluctuations about the two solutions and construct the discrete modes in the region of the phase transition. Sphalerons and bubbles both possess a single unstable mode. We present simple approximation formulae for these levels.

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