Fermions Destabilize Electroweak Strings
High Energy Physics - Phenomenology
2010-11-01 v2 High Energy Physics - Theory
Abstract
Z-strings in the Weinberg-Salam model including fermions are unstable for all values of the parameters. The cause of this instability is the fermion vacuum energy in the Z-string background. Z-strings with non-zero fermion densities, however, may still be stable.
Cite
@article{arxiv.hep-ph/9501388,
title = {Fermions Destabilize Electroweak Strings},
author = {Stephen G. Naculich},
journal= {arXiv preprint arXiv:hep-ph/9501388},
year = {2010}
}
Comments
11 pages; an additional paragraph describes the destabilization of a finite length string