Physical process version of the first law of thermodynamics for black holes in Einstein-Maxwell axion-dilaton gravity
Abstract
We derive general formulae for the first order variation of the ADM mass, angular momentum for linear perturbations of a stationary background in Einstein-Maxwell axion-dilaton gravity being the low-energy limit of the heterotic string theory. All these variations were expressed in terms of the perturbed matter energy momentum tensor and the perturbed charge current density. Combining these expressions we reached to the form of the physical version of the first law of black hole dynamics for the stationary black holes in the considered theory being the strong support for the cosmic censorship.
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