Isolated horizons, p-form matter fields, topology and the black-hole/string correspondence principle

Details Isolated horizons, p-form matter fields, topology and the black-hole/string correspondence principle Isolated horizons, p-form matter fields, topology and the black-hole/string correspondence principle

2009-01-08

arxiv.org/abs/0901.1121v4

Phys.Rev.D79:084038,2009

Astronomy and Astrophysics

Astrophysics

General Relativity and Quantum Cosmology

11 pages; v2: figure added; references added; v3: introduction shortened; to appear in Physical Review D; v4: typos corrected

Scientific paper

10.1103/PhysRevD.79.084038

We study the mechanics of D-dimensional isolated horizons (IHs) for Einstein gravity in the presence of arbitrary p-form matter fields. This generalizes the analysis of Copsey and Horowitz to non-stationary spacetimes and therefore the local first law to include non-monopolar (dipole) charges. The only requirement for the local first law to hold is that the action has to be differentiable. The resulting conserved charges are all intrinsic to the horizon and are independent of the topology of the horizon cross sections. We explicitly calculate the local charges for five-dimensional black holes and black rings that are relevant within the context of superstring theory. We conclude with some comments on the black-hole/string correspondence principle and argue that IHs (or some other quasilocal variant) should play a fundamental role in superstring theory.

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