Large Gauged Q Balls

Details Large Gauged Q Balls Large Gauged Q Balls

2001-09-10

arxiv.org/abs/hep-ph/0109080v1

Phys.Rev. D64 (2001) 125006

Physics

High Energy Physics

High Energy Physics - Phenomenology

13 Pages, Latex 2.09, 5 figures, accepted for publication in Phys.Rev.D

Scientific paper

10.1103/PhysRevD.64.125006

We study Q-balls associated with local U(1) symmetries. Such Q-balls are expected to become unstable for large values of their charge because of the repulsion mediated by the gauge force. We consider the possibility that the repulsion is eliminated through the presence in the interior of the Q-ball of fermions with charge opposite to that of the scalar condensate. Another possibility is that two scalar condensates of opposite charge form in the interior. We demonstrate that both these scenaria can lead to the existence of classically stable, large, gauged Q-balls. We present numerical solutions, as well as an analytical treatment of the ``thin-wall'' limit.

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