Superstring on PP-Wave Orbifold from Large-N Quiver Gauge Theory

Details Superstring on PP-Wave Orbifold from Large-N Quiver Gauge Theory Superstring on PP-Wave Orbifold from Large-N Quiver Gauge Theory

2002-03-08

arxiv.org/abs/hep-th/0203080v2

Eur.Phys.J.C25:327-332,2002

Physics

High Energy Physics

High Energy Physics - Theory

11 pages, Latex

Scientific paper

10.1007/s10052-002-0986-y

We extend the proposal of Berenstein, Maldacena and Nastase to Type IIB superstring propagating on pp-wave over ${\bf R}^4/{\bf Z}_k$ orbifold. We show that first-quantized free string theory is described correctly by the large $N$, fixed gauge coupling limit of ${\cal N}=2$ $[U(N)]^k$ 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 string energy spectrum, thus substantiating our proposed operator-state map.

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