Gravitational effects on critical Q-balls

Details Gravitational effects on critical Q-balls Gravitational effects on critical Q-balls

2004-11-30

arxiv.org/abs/hep-ph/0411385v6

Europhys.Lett.78:21001,2007

Physics

High Energy Physics

High Energy Physics - Phenomenology

LaTeX, 8 pages, final version to appear in EPL

Scientific paper

10.1209/0295-5075/78/21001

In a cosmological phase transition in theories that admit Q-balls there is a value of the soliton charge above which the soliton becomes unstable and expands, converting space to the true vacuum, much like a critical bubble in the case of ordinary tunneling. Here I consider the effects of gravity on these solitons and I calculate the lowest gravitational corrections to the critical radius and charge.

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