| Issue |
EPL
Volume 78, Number 2, April 2007
|
|
|---|---|---|
| Article Number | 21001 | |
| Number of page(s) | 3 | |
| Section | The Physics of Elementary Particles and Fields | |
| DOI | https://doi.org/10.1209/0295-5075/78/21001 | |
| Published online | 29 March 2007 | |
Gravitational effects on critical Q-balls
Department of Physics, National Technical University of Athens - Zografou Campus, 15780 Greece
Corresponding author: metaxas@central.ntua.gr
Received:
3
October
2006
Accepted:
7
March
2007
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.
PACS: 11.27.+d – Extended classical solutions; cosmic strings, domain walls, texture
© Europhysics Letters Association, 2007
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