Physics – High Energy Physics – High Energy Physics - Theory
Scientific paper
1998-07-02
Phys.Rev. D58 (1998) 044011
Physics
High Energy Physics
High Energy Physics - Theory
17 pages, Revtex, a few comments (introduction) and references added
Scientific paper
10.1103/PhysRevD.58.044011
Using the ADM formulation of the Einstein-Maxwell axion-dilaton gravity we derived the formulas for the variation of mass and other asymptotic conserved quantities in the theory under consideration. Generalizing this kind of reasoning to the initial dota for the manifold with an interior boundary we got the generalized first law of black hole mechanics. We consider an asymptotically flat solution to the Einstein-Maxwell axion-dilaton gravity describing a black hole with a Killing vector field timelike at infinity, the horizon of which comprises a bifurcate Killing horizon with a bifurcate surface. Supposing that the Killing vector field is asymptotically orthogonal to the static hypersurface with boundary S and compact interior, we find that the solution is static in the exterior world, when the timelike vector field is normal to the horizon and has vanishing electric and axion- electric fields on static slices.
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