Solitosynthesis of Q-balls

Abstract

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 $AH{\psi }^{\ast }\psi$, 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.

9 pages, 1 figure

References in corpus (2)

• Q-ball candidates for self-interacting dark matter
• Quantum Corrections to Q-Balls

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