The pp wave limits of orbifolded AdS(5) x S**5

Alishahiha, Mohsen; Sheikh-Jabbari, Mohammad M.

doi:10.1016/S0370-2693(02)01771-9

The pp wave limits of orbifolded AdS(5) x S**5

Mar, 2002

14 pages

Published in:

Phys.Lett.B 535 (2002) 328-336

e-Print:

hep-th/0203018 [hep-th]

DOI:

10.1016/S0370-2693(02)01771-9

Report number:

IPM-P-2002-004,
SU-ITP-02-10

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Abstract:

Using the supergravity solution of

N_1

D3-branes probing

A_{N_2-1}

singularities we study the pp-wave limit of

AdS_5\times S^5/Z_{N_2}

. We show that there are two different pp-wave limits. One is the orbifold of the pp-wave limit of

AdS_5\times S^5

. In this case there is no symmetry enhancement. The other case is the same as the pp-wave limit of

AdS_5\times S^5

and therefore we again see the maximal supersymmetry. We will also identify operators in the four dimensional

{\cal N}=2

SU(N_1)^{N_2}

gauge theory which correspond to stringy excitations in the orbifolded pp-wave geometry. The existence of the maximal pp-wave geometry indicates that there is a subsector of the corresponding

{\cal N}=2

gauge theories which has enhanced

{\cal N}=4

supersymmetry. We also study the pp-wave limits of

AdS_{7,4}\times S^{4,7}/Z_{N}

.

membrane model
dimension: 10
supergravity
space-time: anti-de Sitter
pp-wave
orbifold
gauge field theory

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