Some properties of $U(1)$ gauged $Q$-balls

Some properties of $U (1)$ gauged $Q$ -balls

I. E. Gulamov, E. Ya. Nugaev, A. G. Panin, and M. N. Smolyakov

Phys. Rev. D 92, 045011 – Published 10 August 2015

Abstract

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.

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Received 23 June 2015

DOI:https://doi.org/10.1103/PhysRevD.92.045011

Authors & Affiliations

I. E. Gulamov^1,2, E. Ya. Nugaev³, A. G. Panin³, and M. N. Smolyakov²

¹Physics Department, Lomonosov Moscow State University, 119991 Moscow, Russia
²Skobeltsyn Institute of Nuclear Physics, Lomonosov Moscow State University, 119991 Moscow, Russia
³Institute for Nuclear Research of the Russian Academy of Sciences, 60th October Anniversary prospect 7a, 117312 Moscow, Russia

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Vol. 92, Iss. 4 — 15 August 2015

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Physical Review D

covering particles, fields, gravitation, and cosmology