Orbifolds, Penrose Limits and Supersymmetry Enhancement

Abstract

We consider supersymmetric PP-wave limits for different N=1 orbifold geometries of the five sphere S^5 and the five dimensional Einstein manifold T^{1,1}. As there are several interesting ways to take the Penrose limits, the PP-wave geometry can be either maximal supersymmetric N=4 or half-maximal supersymmetric N=2. We discuss in detail the cases AdS_5 x S^5/Z_3, AdS_5 x S^5/(Z_m x Z_n) and AdS_5 x T^{1,1}/(\Z_m \times \Z_n) and we identify the gauge invariant operators which correspond to stringy excitations for the different limits.

22 pages, Latex,v2:additional comments in section 2,references updated

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Cited by in corpus (10)

• Aspects of Semiclassical Strings in AdS${}_5$
• Strings in plane wave backgrounds
• Modular Invariance of Strings on PP-Waves with RR-flux
• Orbiting Membranes in M-theory on AdS_7 x S^4 Background
• Spectra of PP-Wave Limits of M-/Superstring Theory on AdS_p x S^q Spaces
• Solution to worldvolume action of D3 brane in pp-wave background
• Integrable Spin Chains on the Conformal Moose
• Open string - BMN operator correspondence in the weak coupling regime
• PP-waves from Nonlocal Theories
• Spacetime Quotients, Penrose Limits and Conformal Symmetry Restoration