Near the horizon of 5D black rings

Details Near the horizon of 5D black rings Near the horizon of 5D black rings

2008-10-15

arxiv.org/abs/0810.2620v3

JHEP 0903:035,2009

Physics

High Energy Physics

High Energy Physics - Theory

26 pages, version to appear in JHEP, the near horizon superalgebra is corrected, discussion on small black ring is discarded,

Scientific paper

10.1088/1126-6708/2009/03/035

For the five dimensional N=2 black rings, we study the supersymmetry enhancement and identify the global supergroup of the near horizon geometry. We show that the global part of the supergroup is OSp(4*|2)X U(1) which is similar to the small black string. We show that results obtained by applying the entropy function formalism, the c-extremization approach and the Brown-Henneaux method to the black ring solution are in agreement with the microscopic entropy calculation.

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