Global charges in Chern-Simons theory and the 2+1 black hole.
نویسنده
چکیده
We use the Regge-Teitelboim method to treat surface integrals in gauge theories to find global charges in Chern-Simons theory. We derive the affine and Virasoro generators as global charges associated with symmetries of the boundary. The role of boundary conditions is clarified. We prove that for diffeomorphisms that do not preserve the boundary there is a classical contribution to the central charge in the Virasoro algebra. The example of anti-de Sitter 2+1 gravity is considered in detail.
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ورودعنوان ژورنال:
- Physical review. D, Particles and fields
دوره 52 10 شماره
صفحات -
تاریخ انتشار 1995