Journal
PHYSICS LETTERS B
Volume 824, Issue -, Pages -Publisher
ELSEVIER
DOI: 10.1016/j.physletb.2021.136815
Keywords
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Funding
- Ministry of Education, Science and Technological Development of the Republic of Serbia
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In Poincare gauge theory, black hole entropy is canonically defined by the variation of a boundary term Gamma(H) located at the horizon. For a new member of the same class, the Reissner-Nordstrom-like black hole with torsion, the variation of Gamma(H) is affected by a gravitational parameter induced by the existence of torsion, ensuring the validity of the first law.
In Poincare gauge theory, black hole entropy is defined canonically by the variation of a boundary term Gamma(H), located at horizon. For a class of static and spherically symmetric black holes in vacuum, the explicit formula reads delta Gamma(H) = T delta S, where T is black hole temperature and S entropy. Here, we analyze a new member of the same class, the Reissner-Nordstrom-like black hole with torsion [1], where the electric charge of matter is replaced by a gravitational parameter, induced by the existence of torsion. This parameter affects delta Gamma(H) in a way that ensures the validity of the first law. (C) 2021 The Author(s). Published by Elsevier B.V.
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