Semiclassical Analysis of String/Gauge Duality on Non-commutative Space

Abstract

We use semiclassical method to study closed strings in the modified AdS_5*S^5 background with constant B-fields. The point-like closed strings and the streched closed strings rotating around the big circle of S^5 are considered. Quantization of these closed string leads to a time-dependent string spectrum, which we argue to correspond to the RG-flow of the dual noncommutative Yang Mills theory.

19 pages, 1 figure, revtex4. minor corrections. references added

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