Physics – High Energy Physics – High Energy Physics - Phenomenology
Scientific paper
2001-12-07
Physics
High Energy Physics
High Energy Physics - Phenomenology
Talk presented at COSMO-01, Rovaniemi, Finland, August 29 - September 4, 2001. LaTeX2e with graphicx macro, 9 pages, 3 eps fig
Scientific paper
A spherical domain wall around a small black hole is formed by the Hawking radiation from the black hole in the symmetry-broken-phase of the field theory, e.g., the Standard Model (SM) and the Grand Unified Theory (GUT) which have a property of the phase transition. We have obtained two types of the spherical domain wall; (a) thermalized wall which is formed by the local heating up near black hole and symmetry restore locally and (b) dynamical wall which is formed by the balance between the pressure from the Hawking radiation and the pressure from the wall tensions. The electroweak wall is formed as a thermalized wall around a black hole with mass of the several hundred kilogram. The GUT wall is formed as a dynamical wall around much smaller black hole. The electroweak wall around a black hole can produce baryon number by the assumption of the CP-broken phase in the wall. The GUT wall can supply charge into the black hole, namely, the wall causes the spontaneous charging up of the black hole. We propose a cosmological model which can explain the origin of the baryon number and the cold dark matter by the primordial black hole with mass of the several hundred kilogram.
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