Nut Charge, Anti-de Sitter Space and Entropy

Details Nut Charge, Anti-de Sitter Space and Entropy Nut Charge, Anti-de Sitter Space and Entropy

1998-09-04

arxiv.org/abs/hep-th/9809035v2

Phys.Rev.D59:044033,1999

Physics

High Energy Physics

High Energy Physics - Theory

13 pages, 2 figures Minor corrections. Changes to comments on related work

Scientific paper

10.1103/PhysRevD.59.044033

It has been proposed that spacetimes with a U(1) isometry group have contributions to the entropy from Misner strings as well as from the area of $d-2$ dimensional fixed point sets. In this paper we test this proposal by constructing Taub-Nut-AdS and Taub-Bolt-AdS solutions which are examples of a new class of asymptotically locally anti-de Sitter spaces. We find that with the additional contribution from the Misner strings, we exactly reproduce the entropy calculated from the action by the usual thermodynamic relations. This entropy has the right parameter dependence to agree with the entropy of a conformal field theory on the boundary, which is a squashed three-sphere, at least in the limit of large squashing. However the conformal field theory and the normalisation of the entropy remain to be determined.

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