Phase equilibration in bubble collisions

Details Phase equilibration in bubble collisions Phase equilibration in bubble collisions

1995-01-11

arxiv.org/abs/hep-ph/9501266v1

Phys.Rev.D52:679-688,1995

Physics

High Energy Physics

High Energy Physics - Phenomenology

20 pages, REVTEX

Scientific paper

10.1103/PhysRevD.52.679

In the context of an Abelian gauge symmetry, spontaneously broken at a first-order transition, we discuss the evolution of the phase difference between the Higgs fields in colliding bubbles. We show that the effect of dissipation, represented by a finite plasma conductivity, is to cause the phases to equlibrate on a time-scale, determined by the conductivity, which can be much smaller than the bubble radii at the time of collision. Currents induced during the phase equilibration generate a magnetic flux, which is determined by the initial phase difference. In a three-bubble collision, the fluxes produced by each pair of bubbles combine, and a vortex can be formed. We find that, under most conditions, the probability of trapping magnetic flux to form a vortex is correctly given by the ``geodesic rule''.

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