Physics – High Energy Physics – High Energy Physics - Phenomenology
Scientific paper
1999-09-25
Phys.Rev.D61:041301,2000
Physics
High Energy Physics
High Energy Physics - Phenomenology
4 pages, RevTex, 3 postscript figures included, the published version
Scientific paper
10.1103/PhysRevD.61.041301
We present the full nonlinear calculation of the formation of a Q-ball through the Affleck-Dine (AD) mechanism by numerical simulations. It is shown that large Q-balls are actually produced by the fragmentation of the condensate of a scalar field whose potential is very flat. We find that the typical size of a Q-ball is determined by the most developed mode of linearized fluctuations, and almost all the initial charges which the AD condensate carries are absorbed into the formed Q-balls, whose sizes and the charges depend only on the initial charge densities.
Kasuya Shinta
Kawasaki Masahiro
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