Physics – High Energy Physics – High Energy Physics - Theory
Scientific paper
2003-01-07
Class.Quant.Grav. 20 (2003) 3685-3698
Physics
High Energy Physics
High Energy Physics - Theory
17 pages Latex file, improved presentation, main results unchanged, additional section on first law, additional references
Scientific paper
10.1088/0264-9381/20/16/310
Boundary charges in gauge theories (like the ADM mass in general relativity) can be understood as integrals of linear conserved n-2 forms of the free theory obtained by linearization around the background. These forms are associated one-to-one to reducibility parameters of this background (like the time-like Killing vector of Minkowski space-time). In this paper, closed n-2 forms in the full interacting theory are constructed in terms of a one parameter family of solutions to the full equations of motion that admits a reducibility parameter. These forms thus allow one to apply Stokes theorem without bulk contributions and, provided appropriate fall-off conditions are satisfied, they reduce asymptotically near the boundary to the conserved n-2 forms of the linearized theory. As an application, the first law of black hole mechanics in asymptotically anti-de Sitter space-times is derived.
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