Cosmic Strings at the Electroweak Phase Transition

Details Cosmic Strings at the Electroweak Phase Transition Cosmic Strings at the Electroweak Phase Transition

1994-01-13

arxiv.org/abs/hep-ph/9401247v1

Phys.Lett. B326 (1994) 212-215

Physics

High Energy Physics

High Energy Physics - Phenomenology

11 Pages (figure available on request)

Scientific paper

If cosmic strings are present at the electroweak phase transition, they can act as seeds on which bubbles of true vacuum nucleate. We explore the nature of such a phase transition, in particular the wall velocity and thickness of the bubbles. {}From the viewpoint of electroweak baryogenesis, adiabatic conditions exist in the expanding bubble walls, and such models of baryogenesis can be successfully applied. In the present mechanism, the nature of the electroweak phase transition is insensitive to the other details of the model, thus reducing the uncertainties in the estimate of net baryon asymmetry.

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