A Note on Smarr Relation and Coupling Constants

Abstract

The Smarr relation plays an important role in black hole thermodynamics. It is often claimed that the Smarr relation can be written down simply by observing the scaling behavior of the various thermodynamical quantities. We point out that this is not necessarily so in the presence of dimensionful coupling constants, and discuss the issues involving the identification of thermodynamical variables.

arXiv commentpublished version

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Cited by in corpus (5)

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• Coupling Constants as Conserved Charges in Black Hole Thermodynamics
• Black Holes in Double-Logarithmic Nonlinear Electrodynamics
• Hairy black holes and holographic heat engine
• Thermodynamics of dyonic black holes in non-linear electrodynamics