Stable, Spinning Embedded Vortices

Details Stable, Spinning Embedded Vortices Stable, Spinning Embedded Vortices

1994-03-16

arxiv.org/abs/hep-ph/9403298v1

Phys.Rev. D50 (1994) 962-966

Physics

High Energy Physics

High Energy Physics - Phenomenology

11 pages plus 2 figures (available in a postscript file from the author), submitted to Phys. Rev. D. Use LaTeX. Preprint No. C

Scientific paper

10.1103/PhysRevD.50.962

The spinning vortex is a stationary generalization of the Nielsen-Olesen vortex involving a linear time dependence of the Goldstone boson. Here we show that this vortex can be embedded in models with $SU(2)_{global}\times U(1)_{local}$ symmetry. We also map the stability sector in parameter space and show that for sufficiently large spinning velocities the vortex is stable for {\it any} value of the Higgs self coupling parameter $\beta$. This is a significant improvement of stability compared to the semilocal vortex introduced by Vachaspati and Achucarro which is stable only for $\beta<1$. This result may have significant implications for electroweak vortices.

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