Preheating and symmetry restoration in collisions of vacuum bubbles

Details Preheating and symmetry restoration in collisions of vacuum bubbles Preheating and symmetry restoration in collisions of vacuum bubbles

1996-02-19

arxiv.org/abs/astro-ph/9602095v1

Phys.Rev. D55 (1997) 3313-3317

Astronomy and Astrophysics

Astrophysics

12 page LaTeX file; no special macros needed; no figures

Scientific paper

10.1103/PhysRevD.55.3313

In first-order inflation a phase transition is completed by the collisions of expanding true-vacuum bubbles. If bubble collisions produce large numbers of soft scalar particles carrying quantum numbers associated with a spontaneously broken symmetry, then symmetry restoration may occur in a ``pre-heating'' phase in a manner similar to symmetry restoration in the pre-heating phase of slow-roll inflation. Since bubble collisions lead to inhomogeneities, there is the possibility of inhomogeneous symmetry restoration where restoration occurs only in the regions of wall collisions.

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