The pp-wave limits of orbifolded AdS5 x S5

被引:49
作者
Alishahiha, M
Sheikh-Jabbari, MM
机构
[1] IPM, Inst Studies Theoret Phys & Math, Tehran, Iran
[2] Stanford Univ, Dept Phys, Stanford, CA 94305 USA
基金
美国国家科学基金会;
关键词
D O I
10.1016/S0370-2693(02)01771-9
中图分类号
P1 [天文学];
学科分类号
0704 ;
摘要
Using the supergravity solution of N-1 D3-branes probing A(N2-1) singularities we study the pp-wave limit of AdS(5) x S-5/Z(N2). We show that there are two different pp-wave limits. One is the orbifold of the pp-wave limit of AdS5 x S-5. In this case there is no symmetry enhancement. The other case is the same as the pp-wave limit of AdS(5) x S-5 and therefore we again see the maximal supersymmetry. We will also identify operators in the four-dimensional N = 2 SU(N-1)(N2) 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 N = 2 gauge theories which has enhanced N = 4 supersymmetry. We also study the pp-wave limits of AdS(7,4) x S-4.7/Z(N). (C) 2002 Published by Elsevier Science B.V.
引用
收藏
页码:328 / 336
页数:9
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