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Quantum Corrections to Q-Balls | | N. Graham
; | | Date: |
2 May 2001 | | Journal: | Phys.Lett. B513 (2001) 112-118 | | Subject: | hep-th astro-ph hep-ph | | Abstract: | We extend calculational techniques for static solitons to the case of field configurations with simple time dependence in order to consider quantum effects on the stability of Q-balls. These nontopological solitons exist classically for any fixed value of an unbroken global charge Q. We show that one-loop quantum effects can destabilize very small Q-balls. We show how the properties of the soliton are reflected in the associated scattering problem, and find that a good approximation to the full one-loop quantum energy of a Q-ball is given by $omega - E_0$, where $omega$ is the frequency of the classical soliton’s time dependence, and $E_0$ is the energy of the lowest bound state in the associated scattering problem. | | Source: | arXiv, hep-th/0105009 | | Other source: | [GID 128859] hep-th/0105009 | | Services: | Forum | Review | PDF | Favorites | |
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