Comments on Correlation Functions of Large Spin Operators and Null Polygonal Wilson Loops

Details Comments on Correlation Functions of Large Spin Operators and Null Polygonal Wilson Loops Comments on Correlation Functions of Large Spin Operators and Null Polygonal Wilson Loops

2012-02-08

arxiv.org/abs/1202.1736v1

Physics

High Energy Physics

High Energy Physics - Theory

16+3 pages, 3 figures

Scientific paper

We discuss the relation between correlation functions of twist-two large spin operators and expectation values of Wilson loops along light-like trajectories. After presenting some heuristic field theoretical arguments suggesting this relation, we compute the divergent part of the correlator in the limit of large 't Hooft coupling and large spins, using a semi-classical worldsheet which asymptotically looks like a GKP rotating string. We show this diverges as expected from the expectation value of a null Wilson loop, namely, as $(\ln{\mu^{-2}})^ 2$, $\mu$ being a cut-off of the theory.

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