Physics – High Energy Physics – High Energy Physics - Theory
Scientific paper
2004-09-30
JHEP0411:053,2004
Physics
High Energy Physics
High Energy Physics - Theory
35 pages, no figures
Scientific paper
10.1088/1126-6708/2004/11/053
We study non planar corrections to the spectrum of operators in the ${\mathcal N}=2$ supersymmetric Yang Mills theory which are dual to string states in the maximally supersymmetric pp-wave background with a {\em compact} light-cone direction. The existence of a positive definite discrete light-cone momentum greatly simplifies the operator mixing problem. We give some examples where the contribution of all orders in non-planar diagrams can be found analytically. On the string theory side this corresponds to finding the spectrum of a string state to all orders in string loop corrections.
Grignani Gianluca
Orselli Marta
Risi Giuseppe de
Semenoff Gordon W.
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