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Supersymmetric Q-balls as dark matter

Alexander Kusenko, Mikhail Shaposhnikov

hep-pharXiv:hep-ph/9709492

Abstract

Supersymmetric extensions of the standard model generically contain stable non-topological solitons, Q-balls, which carry baryon or lepton number. We show that large Q-balls can be copiously produced in the early universe, can survive until the present time, and can contribute to dark matter.

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