Black hole chemistry
David KubizňákPerimeter Institute for Theoretical Physics, 31 Caroline St. N., Waterloo, ON N2L 2Y5, CanadaRobert B. MannDepartment of Physics and Astronomy, University of Waterloo, 200 University Ave., Waterloo, ON N2L 3G1, Canada
2014en
ABI
Abstract
The mass of a black hole has traditionally been identified with its energy. We describe a new perspective on black hole thermodynamics, one that identifies the mass of a black hole with chemical enthalpy, and the cosmological constant as thermodynamic pressure. This leads to an understanding of black holes from the viewpoint of chemistry, in terms of concepts such as Van der Waals fluids, reentrant phase transitions, and triple points. Both charged and rotating black holes exhibit novel chemical-type phase behaviour, hitherto unseen.
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