| Issue |
EPL
Volume 127, Number 2, July 2019
|
|
|---|---|---|
| Article Number | 21001 | |
| Number of page(s) | 7 | |
| Section | The Physics of Elementary Particles and Fields | |
| DOI | https://doi.org/10.1209/0295-5075/127/21001 | |
| Published online | 12 August 2019 | |
Quasi-compact Q-balls
1 Departamento de Física, Universidade Federal da Paraíba - 58051-970 João Pessoa, PB, Brazil
2 Departamento de Ciências Exatas, Universidade Federal da Paraíba - 58297-000 Rio Tinto, PB, Brazil
Received: 9 July 2019
Accepted: 22 July 2019
This work deals with charged nontopological solutions that appear in relativistic models described by a single complex scalar field in two-dimensional spacetime. We study a model which supports novel analytical configurations of the Q-ball type, that engender double exponential tails, in this sense being different from both the standard and compact Q-balls. The analytical solutions are also stable, both classically and quantum-mechanically, and the stability follows as in the case of the compact configurations.
PACS: 11.27.+d – Extended classical solutions; cosmic strings, domain walls, texture
© EPLA, 2019
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