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Scientific article
Open access
English

Holographic thermodynamics requires a chemical potential for color

ContributorsVisser, Manus
Published inPhysical review. D, vol. 105, no. 10, 106014
Publication date2022
First online date2022-05-16
Abstract

The thermodynamic Euler equation for high-energy states of large-N gauge theories is derived from the dependence of the extensive quantities on the number of colors N. This Euler equation relates the energy of the state to the temperature, entropy, number of degrees of freedom and its chemical potential, but not to the volume or pressure. In the context of the gauge/gravity duality we show that the Euler equation is dual to the generalized Smarr formula for black holes in the presence of a negative cosmological constant. We also match the fundamental variational equation of thermodynamics to the first law of black hole mechanics, when extended to include variations of the cosmological constant and Newton’s constant.

eng
Keywords
  • potential: chemical
  • cosmological constant: negative
  • black hole: mechanics
  • thermodynamics
  • color
  • gauge field theory
  • thermodynamical
  • duality: holography
  • expansion 1/N
Citation (ISO format)
VISSER, Manus. Holographic thermodynamics requires a chemical potential for color. In: Physical review. D, 2022, vol. 105, n° 10, p. 106014. doi: 10.1103/physrevd.105.106014
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Identifiers
ISSN of the journal2470-0010
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