Physics – High Energy Physics – High Energy Physics - Theory
Scientific paper
2002-04-21
Phys.Lett.B538:180-188,2002
Physics
High Energy Physics
High Energy Physics - Theory
Latex file, 15 pages, no figures. v2: a reference added
Scientific paper
10.1016/S0370-2693(02)01994-9
Based on the observation that $AdS_5\times S^5/Z_k$ orbifolds have a maximal supersymmetric PP-wave limit, the description of strings in PP-waves in terms of ${\cal N}=2$ quiver gauge theories is presented. We consider two different, small and large $k$, cases and show that the operators in the gauge theory which correspond to stringy excitations are labelled by two integers, the excitation and winding or momentum numbers. For the large $k$ case, the relation between the space-time and worldsheet deconstructions is discussed. We also comment on the possible duality between these two cases.
Alishahiha Mohsen
Sheikh-Jabbari Mohammad M.
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