Astronomy and Astrophysics – Astrophysics – General Relativity and Quantum Cosmology
Scientific paper
1995-05-05
Phys.Rev. D52 (1995) 4569-4587
Astronomy and Astrophysics
Astrophysics
General Relativity and Quantum Cosmology
41 pages, latex, uses fonts provided by AMSTeX
Scientific paper
10.1103/PhysRevD.52.4569
We consider an Einstein-Hilbert-Dilaton action for gravity coupled to various types of Abelian and non-Abelian gauge fields in a spatially finite system. These include Yang-Mills fields and Abelian gauge fields with three and four-form field strengths. We obtain various quasilocal quantities associated with these fields, including their energy and angular momentum, and develop methods for calculating conserved charges when a solution possesses sufficient symmetry. For stationary black holes, we find an expression for the entropy from the micro-canonical form of the action. We also find a form of the first law of black hole thermodynamics for black holes with the gauge fields of the type considered here.
Creighton Jolien
Mann Robert B.
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