Volume 122, Number 6, June 2018
|Number of page(s)||6|
|Section||The Physics of Elementary Particles and Fields|
|Published online||23 July 2018|
Stable finite energy global vortices and asymptotic freedom
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: 21 May 2018
Accepted: 6 July 2018
This work deals with global vortices in the three-dimensional spacetime. We study the case of a simple model with U(1) symmetry and find a way to describe stable, finite energy global vortices. The price we pay to stabilize the solution is the presence of scale invariance, but we have found a way to trade it with an electric charge in a medium with generalized permittivity, which is further used to capture the basic feature of asymptotic freedom.
PACS: 11.27.+d – Extended classical solutions; cosmic strings, domain walls, texture
© EPLA, 2018
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