Thermal Casimir effect in $κ$-Minkowski space-time

Fuente: arXiv
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Autores principales: Panja, Suman Kumar, Rajagopal, Vishnu
Formato: Preprint
Publicado: 2025
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author Panja, Suman Kumar
Rajagopal, Vishnu
author_facet Panja, Suman Kumar
Rajagopal, Vishnu
contents We study the finite temperature Casimir effect for parallel plates in the $κ$-Minkowski space-time. Using the Matsubara formalism and imposing the Dirichlet boundary conditions on a massless $κ$-scalar field, we compute the $κ$-deformed corrections to thermal Casimir free energy, pressure, entropy, and internal energy. Our results demonstrate that space-time non-commutativity enhances the attractive nature of the thermal Casimir force while preserving thermodynamic consistency; the system satisfies the Nernst theorem and laws of thermodynamics remain intact in $κ$-deformed space-time. Our analysis yields an upper bound on the deformation parameter as $a\leq10^{-18}m$. Furthermore, our results indicate that non-commutative effects become experimentally observable in Casimir effect studies when the ratio of the non-commutative scale to plate separation satisfies $a/L\leq 10^{-12}$. We also obtain the expression for Stefan-Boltzmann's law in $κ$-Minkowski space-time.
format Preprint
id arxiv_https___arxiv_org_abs_2512_10463
institution arXiv
publishDate 2025
record_format arxiv
spellingShingle Thermal Casimir effect in $κ$-Minkowski space-time
Panja, Suman Kumar
Rajagopal, Vishnu
High Energy Physics - Theory
We study the finite temperature Casimir effect for parallel plates in the $κ$-Minkowski space-time. Using the Matsubara formalism and imposing the Dirichlet boundary conditions on a massless $κ$-scalar field, we compute the $κ$-deformed corrections to thermal Casimir free energy, pressure, entropy, and internal energy. Our results demonstrate that space-time non-commutativity enhances the attractive nature of the thermal Casimir force while preserving thermodynamic consistency; the system satisfies the Nernst theorem and laws of thermodynamics remain intact in $κ$-deformed space-time. Our analysis yields an upper bound on the deformation parameter as $a\leq10^{-18}m$. Furthermore, our results indicate that non-commutative effects become experimentally observable in Casimir effect studies when the ratio of the non-commutative scale to plate separation satisfies $a/L\leq 10^{-12}$. We also obtain the expression for Stefan-Boltzmann's law in $κ$-Minkowski space-time.
title Thermal Casimir effect in $κ$-Minkowski space-time
topic High Energy Physics - Theory
url https://arxiv.org/abs/2512.10463