Physics – High Energy Physics – High Energy Physics - Phenomenology
Scientific paper
1998-11-26
Phys.Rev.D59:041301,1999
Physics
High Energy Physics
High Energy Physics - Phenomenology
4 pages, 3 figures, RevTeX with epsf macro
Scientific paper
10.1103/PhysRevD.59.041301
We propose a new scenario of the electroweak baryogenesis based on the properties of electroweak domain walls surrounding black holes in the Higgs phase vacuum of the extended Standard Model with 2-Higgs doublets. It is shown that there exists the electroweak domain walls and the symmetric regions surrounding black holes and that the Hawking radiation of the black holes can produce a non-zero baryon number density. The scenario can explain the origin of the baryon number in our universe even without the assumption of the existence of the first order electroweak phase transition.
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