# Planck 2013  From the Planck Scale to the Electroweak Scale

20-24 May 2013
Bonn
Europe/Berlin timezone
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# Contribution

Bonn - Seminar Room BCTP

# Where is the PdV term in the first law of black hole thermodynamics?

• Brian DOLAN

## Description

A PdV term is introduced into the first law of black hole thermodynamics, with the volume being defined to be the variable thermodynamically conjugate to the pressure that arises from the cosmological constant. The black hole equation of state then bears a remarkable similarity to the van der Waals equation. The effect of this new term in the equation of state will be explored.