Solitosynthesis of Q-balls

Details Solitosynthesis of Q-balls Solitosynthesis of Q-balls

2001-10-15

arxiv.org/abs/hep-ph/0110199v4

Phys.Rev. D65 (2002) 085035

Physics

High Energy Physics

High Energy Physics - Phenomenology

9 pages, 1 figure

Scientific paper

10.1103/PhysRevD.65.085035

We study the formation of Q-balls in the early universe, concentrating on potentials with a cubic or quartic attractive interaction. Large Q-balls can form via solitosynthesis, a process of gradual charge accretion, provided some primordial charge assymetry and initial ``seed'' Q-balls exist. We find that such seeds are possible in theories in which the attractive interaction is of the form $A H \psi^* \psi$, with a light ``Higgs'' mass. Condensate formation and fragmentation is only possible for masses $m_\psi$ in the sub-eV range; these Q-balls may survive untill present.

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