Mass Spectrum of D=11 Supergravity on AdS2 x S2 x T7

Abstract

We compute the Kaluza-Klein mass spectrum of the D=11 supergravity compactified on AdS2 x S2 x T7 and arrange it into representations of the SU(1,1|2) superconformal algebra. This geometry arises in M theory as the near horizon limit of a D=4 extremal black-hole constructed by wrapping four groups of M-branes along the T7. Via AdS/CFT correspondence, our result gives a prediction for the spectrum of the chiral primary operators in the dual conformal quantum mechanics yet to be formulated.

30 pages, 2 figures; v3. more careful treatments of the boundary modes, and other minor corrections

References in corpus (1)

• Large N Field Theories, String Theory and Gravity

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