Charge-Swapping Q Balls

被引：32

作者：

Copeland, Edmund J. ^{[1
]}

Saffin, Paul M. ^{[1
]}

Zhou, Shuang-Yong ^{[2
,3
,4
]}

机构：

[1] Univ Nottingham, Sch Phys & Astron, Nottingham NG7 2RD, England

[2] SISSA, I-34136 Trieste, Italy

[3] Ist Nazl Fis Nucl, Sez Trieste, I-34136 Trieste, Italy

[4] Case Western Reserve Univ, Dept Phys, Cleveland, OH 44106 USA

来源：

PHYSICAL REVIEW LETTERS | 2014年 / 113卷 / 23期

关键词：

VACUUM DECAY;

D O I：

10.1103/PhysRevLett.113.231603

中图分类号：

O4 [物理学];

学科分类号：

0702 ;

摘要：

Q balls are nontopological solitonic solutions to a wide class of field theories that possess global symmetries. Here we show that in these same theories there also exists a tower of novel composite Q-ball solutions where, within one composite Q ball, positive and negative charges coexist and swap at a frequency lower than the natural frequency of an individual Q ball. These charge-swapping Q balls are constructed by assembling Q balls and anti-Q balls tightly such that their nonlinear cores overlap. We explain why charge-swapping Q balls can form and why they swap charges.

引用

页数：5

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