Brane Q-ball, branonium and brane Q-ball inflation

Details Brane Q-ball, branonium and brane Q-ball inflation Brane Q-ball, branonium and brane Q-ball inflation

2004-02-21

arxiv.org/abs/hep-ph/0402223v4

JCAP 0410 (2004) 014

Physics

High Energy Physics

High Energy Physics - Phenomenology

14pages, latex2e, typos fixed, to appear in JCAP

Scientific paper

10.1088/1475-7516/2004/10/014

We study the stability of branonium. Contrary to the previous arguments, global structure of branonium is not stable against spatial fluctuations. We show that branonium decays into local objects, which looks like Q-balls in the effective action. Therefore, we consider the idea of brane Q-balls in this paper. Brane Q-balls are produced as the remnants of unstable branonium. Although the brane Q-balls are conceptually different from the conventional Q-balls, they look similar in some parametric regions. We show how to distinguish brane Q-balls from conventional Q-balls.

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