paper

Pressure and compressibility of conformal field theories from the AdS/CFT correspondence

arXiv:1603.06279 · doi:10.3390/e18050169

Abstract

The equation of state associated with supersymmetric Yang-Mills in 4 dimensions, for in the large limit, is investigated using the AdS/CFT correspondence. An asymptotically AdS black-hole on the gravity side provides a thermal background for the Yang-Mills theory on the boundary in which the cosmological constant is equivalent to a volume. The thermodynamic variable conjugate to the cosmological constant is a pressure and the diagram is studied. It is known that there is a critical point where the heat capacity diverges and this is reflected in the isothermal compressibility. Critical exponents are derived and found to be mean field in the large limit. The same analysis applied to 3 and 6 dimensional conformal field theories again yields mean field exponents associated with the compressibility at the critical point.

Feature invited paper for special edition "Black hole thermodynamics II" in Entropy, 19 pages, 2 figures. Minor typos corrected in v2

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