Type IIB string theory on AdS_5 X T^{nn'}

Details Type IIB string theory on AdS_5 X T^{nn'} Type IIB string theory on AdS_5 X T^{nn'}

1999-04-27

arxiv.org/abs/hep-th/9904187v3

Phys.Lett. B460 (1999) 281-287

Physics

High Energy Physics

High Energy Physics - Theory

Plain Tex, 12 pages, (v2) minor typos corrected, version to appear in PLB. (v3) Problem in the format of titlepage fixed

Scientific paper

10.1016/S0370-2693(99)00810-2

We study \kk spectrum of type IIB string theory compactified on $AdS_5 \times T^{nn'}$ in the context of $AdS/CFT$ correspondence. We examine some of the modes of the complexified 2 form potential as an example and show that for the states at the bottom of the \kk tower the corresponding $d=4$ boundary field operators have rational conformal dimensions. The masses of some of the fermionic modes in the bottom of each tower as functions of the $R$ charge in the boundary conformal theory are also rational. Furthermore the modes in the bottom of the towers originating from $q$ forms on $T^{11}$ can be put in correspondence with the BRS cohomology classes of the $c=1$ non critical string theory with ghost number $q$. However, a more detailed investigation is called for, to clarify further the relation of this supergravity background with the $c=1$ strings.

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