Four-Point Functions with a Twist

Till Bargheer
We study the OPE of correlation functions of local operators in planar $N = 4$ super Yang-Mills theory. The considered operators have an explicit spacetime dependence that is defined by twisting the translation generators with certain R-symmetry generators. We restrict to operators that carry a small number of excitations above the twisted BMN vacuum. The OPE limit of the four-point correlator is dominated by internal states with few magnons on top of the vacuum. The...
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