期刊
PHYSICS LETTERS B
卷 535, 期 1-4, 页码 170-176出版社
ELSEVIER SCIENCE BV
DOI: 10.1016/S0370-2693(02)01730-6
关键词
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The fragmentation of the Affleck-Dine condensate is studied by utilizing (3 + 1)-dimensional numerical simulations. The (3 + I)-dimensional simulations confirm that the fragmentation process is very similar to the results obtained by (2 + 1)-dimensional simulations. We find, however, that the average size of Q-balls in 3 + 1 dimensions is somewhat larger that in 2 + 1 dimensions. A filament type structure in the charge density is observed during the fragmentation process. The resulting final Q-ball distribution is strongly dependent on the initial conditions of the condensate and approaches a thermal one as the energy-charge ratio of the Affleck-Dine condensate increases. (C) 2002 Elsevier Science B.V. All rights reserved.
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