Supersymmetry, localization and quantum entropy function

Banerjee, Nabamita ; Banerjee, Shamik ; Gupta, Rajesh Kumar ; Mandal, Ipsita ; Sen, Ashoke (2010) Supersymmetry, localization and quantum entropy function Journal of High Energy Physics, 2010 (2). 91_1-91_26. ISSN 1126-6708

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Official URL: http://www.springerlink.com/content/9365648h866p20...

Related URL: http://dx.doi.org/10.1007/JHEP02(2010)091

Abstract

AdS2/CFT1 correspondence leads to a prescription for computing the degeneracy of black hole states in terms of path integral over string fields living on the near horizon geometry of the black hole. In this paper we make use of the enhanced supersymmetries of the near horizon geometry and localization techniques to argue that the path integral receives contribution only from a special class of string field configurations which are invariant under a subgroup of the supersymmetry transformations. We identify saddle points which are invariant under this subgroup. We also use our analysis to show that the integration over infinite number of zero modes generated by the asymptotic symmetries of AdS2 generate a finite contribution to the path integral.

Item Type:Article
Source:Copyright of this article belongs to Institute of Physics.
Keywords:Black Holes in String Theory; Extended Supersymmetry
ID Code:44071
Deposited On:20 Jun 2011 10:45
Last Modified:18 May 2016 00:52

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