Bound States Can Stabilize Electroweak Strings

Details Bound States Can Stabilize Electroweak Strings Bound States Can Stabilize Electroweak Strings

1992-11-20

arxiv.org/abs/hep-ph/9211284v2

Phys.Lett. B318 (1993) 163-168

Physics

High Energy Physics

High Energy Physics - Phenomenology

11 pages (1 figure available on request), Tufts preprint# TU-92-10

Scientific paper

10.1016/0370-2693(93)91800-3

We show that the electroweak $Z-$string can be stabilized by the presence of bound states of a complex scalar field. We argue that fermions coupled to the scalar field of the string can also make the string stable and discuss the physical case where the string is coupled to quarks and leptons. This stabilization mechanism is expected to work for other embedded defects and also for unstable solutions such as the sphaleron.

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