Lorentz-violating scenarios in a thermal reservoir

In this work, we analyze the thermodynamic properties of the graviton and the generalized model involving anisotropic Podolsky and Lee–Wick terms with Lorentz violation. We build up the so-called partition function from the accessible states of the system seeking the following thermodynamic function...

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Bibliographic Details
Published in:European physical journal plus 2021-04, Vol.136 (4), p.417, Article 417
Main Author: Filho, A. A. Araújo
Format: Article
Language:English
Subjects:
Applied and Technical Physics
Atomic
Black body radiation
Complex Systems
Condensed Matter Physics
Energy
Free energy
Gravitons
Gravity
Hilbert space
Investigations
Mathematical and Computational Physics
Molecular
Optical and Plasma Physics
Partitions (mathematics)
Physics
Physics and Astronomy
Radiance
Regular Article
Symmetry
Theoretical
Thermodynamic properties
Thermodynamics
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Summary:In this work, we analyze the thermodynamic properties of the graviton and the generalized model involving anisotropic Podolsky and Lee–Wick terms with Lorentz violation. We build up the so-called partition function from the accessible states of the system seeking the following thermodynamic functions: spectral radiance, mean energy, Helmholtz free energy, entropy and heat capacity. Besides, we verify that when the temperature rises, the spectral radiance χ ( ν ) tends to attenuate for fixed values of ξ . Notably, when parameter η 2 increases, the spectral radiance χ ¯ ( η 2 , ν ) weakens until reaching a flat characteristic. Finally, for both theories, we perform the calculation of the modified black body radiation and the correction to the Stefan–Boltzmann law in the inflationary era of the universe.
ISSN:2190-5444
2190-5444
DOI:10.1140/epjp/s13360-021-01434-8