The Lorentz-violating real scalar field at thermal equilibrium

The Lorentz-violating real scalar field at thermal equilibrium

Abstract In this paper we study Lorentz-violation (LV) effects on the thermodynamics properties of a real scalar field theory due to the presence of a constant background tensor field. In particular, we analyse and compute explicitly the deviations of the internal energy, pressure, and entropy of th...

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Main Authors: A. R. Aguirre, G. Flores-Hidalgo, R. G. Rana, E. S. Souza
Format: Article
Language:English
Published: SpringerOpen 2021-05-01
Series:European Physical Journal C: Particles and Fields
Online Access:https://doi.org/10.1140/epjc/s10052-021-09250-1
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spelling doaj-eecf376113194c158f813629dab8f1f72021-05-30T11:44:52ZengSpringerOpenEuropean Physical Journal C: Particles and Fields1434-60441434-60522021-05-0181511510.1140/epjc/s10052-021-09250-1The Lorentz-violating real scalar field at thermal equilibriumA. R. Aguirre0G. Flores-Hidalgo1R. G. Rana2E. S. Souza3Instituto de Física e Química, Universidade Federal de ItajubáInstituto de Física e Química, Universidade Federal de ItajubáInstituto de Física e Química, Universidade Federal de ItajubáInstituto de Física e Química, Universidade Federal de ItajubáAbstract In this paper we study Lorentz-violation (LV) effects on the thermodynamics properties of a real scalar field theory due to the presence of a constant background tensor field. In particular, we analyse and compute explicitly the deviations of the internal energy, pressure, and entropy of the system at thermal equilibrium due to the LV contributions. For the free massless scalar field we obtain exact results, whereas for the massive case we perform approximated calculations. Finally, we consider the self interacting $$\phi ^4$$ ϕ 4 theory, and perform perturbative expansions in the coupling constant for obtaining relevant thermodynamics quantities.https://doi.org/10.1140/epjc/s10052-021-09250-1
collection DOAJ
language English
format Article
sources DOAJ
author A. R. Aguirre
G. Flores-Hidalgo
R. G. Rana
E. S. Souza
spellingShingle A. R. Aguirre
G. Flores-Hidalgo
R. G. Rana
E. S. Souza
The Lorentz-violating real scalar field at thermal equilibrium
European Physical Journal C: Particles and Fields
author_facet A. R. Aguirre
G. Flores-Hidalgo
R. G. Rana
E. S. Souza
author_sort A. R. Aguirre
title The Lorentz-violating real scalar field at thermal equilibrium
title_short The Lorentz-violating real scalar field at thermal equilibrium
title_full The Lorentz-violating real scalar field at thermal equilibrium
title_fullStr The Lorentz-violating real scalar field at thermal equilibrium
title_full_unstemmed The Lorentz-violating real scalar field at thermal equilibrium
title_sort lorentz-violating real scalar field at thermal equilibrium
publisher SpringerOpen
series European Physical Journal C: Particles and Fields
issn 1434-6044
1434-6052
publishDate 2021-05-01
description Abstract In this paper we study Lorentz-violation (LV) effects on the thermodynamics properties of a real scalar field theory due to the presence of a constant background tensor field. In particular, we analyse and compute explicitly the deviations of the internal energy, pressure, and entropy of the system at thermal equilibrium due to the LV contributions. For the free massless scalar field we obtain exact results, whereas for the massive case we perform approximated calculations. Finally, we consider the self interacting $$\phi ^4$$ ϕ 4 theory, and perform perturbative expansions in the coupling constant for obtaining relevant thermodynamics quantities.
url https://doi.org/10.1140/epjc/s10052-021-09250-1
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