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Abstract:
We extend the proposal of Berenstein, Maldacena and Nastase to the Type IIB superstring propagating on a pp-wave over the R-4/Z(k) Orbifold. We show that first-quantized free string theory is described correctly by the large-N, fixed gauge coupling limit of N = 2 [U(N)](k) quiver gauge theory. We propose a precise. map between gauge theory operators and string states for both untwisted and twisted sectors. We also compute leading-order perturbative correction to the anomalous dimensions of these operators. The result is in agreement with the value deduced from the string energy spectrum, thus substantiating our proposed operator-state map
