Electroweak Baryogenesis by Black Holes
arXiv:hep-ph/9811485 · doi:10.1103/PhysRevD.59.041301
Abstract
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.
4 pages, 3 figures, RevTeX with epsf macro
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