Some properties of U ( 1 ) gauged Q -balls

In this paper we examine the properties of U(1) gauged Q-balls in two models with different scalar field potentials. The obtained results demonstrate that in the general case U(1) gauged Q-balls possess properties, which differ considerably from those of Q-balls in the nongauged case with the same f...

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Bibliographic Details
Published in:Physical review. D, Particles, fields, gravitation, and cosmology Particles, fields, gravitation, and cosmology, 2015-08, Vol.92 (4), Article 045011
Main Authors: Gulamov, I. E., Nugaev, E. Ya, Panin, A. G., Smolyakov, M. N.
Format: Article
Language:English
Subjects:
Charge
Cosmology
Gravitation
Mathematical analysis
Mathematical models
Scalars
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Summary:In this paper we examine the properties of U(1) gauged Q-balls in two models with different scalar field potentials. The obtained results demonstrate that in the general case U(1) gauged Q-balls possess properties, which differ considerably from those of Q-balls in the nongauged case with the same forms of the scalar field potential. In particular, it is shown that in some cases the charge of U(1) gauged Q-ball can be bounded from above, whereas it is not so for the corresponding nongauged Q-ball. Our conclusions are supported both by analytical considerations and numerical calculations.
ISSN:1550-7998
1550-2368
DOI:10.1103/PhysRevD.92.045011