The spectrum of IIB supergravity on AdS5 x S5/Z3 and a 1/N2 test of AdS/CFT

Abstract

We present the complete Kaluza-Klein spectrum resulting from the compactification of IIB supergravity on S5/Z3. Knowledge of this spectrum allows us to perform a holographic computation of the difference of central charges c-a of the dual SU(N)3 quiver gauge theory. We find the numerical value c-a=3/16, in exact agreement with the field theory result.

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