Some properties of U(1) gauged Q-balls

被引：48
|
作者：
Gulamov, I. E. [1 ,2 ]
Nugaev, E. Ya. [3 ]
Panin, A. G. [3 ]
Smolyakov, M. N. [2 ]
机构：
[1] Moscow MV Lomonosov State Univ, Phys Dept, Moscow 119991, Russia
[2] Moscow MV Lomonosov State Univ, Skobeltsyn Inst Nucl Phys, Moscow 119991, Russia
[3] Russian Acad Sci, Inst Nucl Res, Moscow 117312, Russia
来源：
PHYSICAL REVIEW D | 2015年 / 92卷 / 04期
基金：
俄罗斯科学基金会; 俄罗斯基础研究基金会;
关键词：
PARTICLE-LIKE SOLUTIONS; STABILITY;
D O I：
10.1103/PhysRevD.92.045011
中图分类号：
P1 [天文学];
学科分类号：
0704 ;
摘要：
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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页数：11
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