Spontaneous Baryogenesis in Supersymmetric Models

Details Spontaneous Baryogenesis in Supersymmetric Models Spontaneous Baryogenesis in Supersymmetric Models

1992-12-22

arxiv.org/abs/hep-ph/9212299v1

Nucl.Phys.B410:173-187,1993

Physics

High Energy Physics

High Energy Physics - Phenomenology

13 pages (2 figures on request), plain LaTeX

Scientific paper

10.1016/0550-3213(93)90578-D

In this paper we extend the results of previous work on spontaneous baryogenesis to general models involving CP violation in the Higgs sector. We show how to deal with Chern-Simons terms appearing in the effective potential arising from phase changes in the vacuum expectation values of the Higgs fields. In particular, this enables us to apply this mechanism to general supersymmetric models including the minimal supersymmetric standard model, and the extended model with a gauge singlet. A comparison is made between this approach, and that in which one solves the equations of motion for Higgs winding modes. As anticipated in earlier work, the effect of the latter approach is found to be small.

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