Hot scalar radiation around a cosmic string setting bounds on the coupling parameter ξ

A bstract In this work, by investigating the low temperature behaviour of a scalar field around a cosmic string, and assuming stable thermodynamic equilibrium, it is shown that the coupling parameter of the field with curvature must be restricted to a certain range of values whose bounds are determi...

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Bibliographic Details
Published in:The journal of high energy physics 2017-03, Vol.2017 (3), p.1-12, Article 105
Main Author: Moreira, E. S.
Format: Article
Language:English
Subjects:
Angles (geometry)
Classical and Quantum Gravitation
Coupling
Curvature
Elementary Particles
Mathematical analysis
Parameters
Physics
Physics and Astronomy
Quantum Field Theories
Quantum Field Theory
Quantum Physics
Regular Article - Theoretical Physics
Relativity Theory
Scalars
String Theory
Strings
Thermodynamic equilibrium
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Summary:A bstract In this work, by investigating the low temperature behaviour of a scalar field around a cosmic string, and assuming stable thermodynamic equilibrium, it is shown that the coupling parameter of the field with curvature must be restricted to a certain range of values whose bounds are determined by the deficit angle of the associated conical geometry.
ISSN:1029-8479
1029-8479
DOI:10.1007/JHEP03(2017)105