Abstract
AbstractThe one‐loop planar dilatation operator of 𝒩 = 4 supersymmetric Yang‐Mills is isomorphic to the hamiltonian of an integrable PSU(2,2|4) spin chain. We construct the non‐linear sigma model describing the continuum limit of the SU(2|3) subsector of the 𝒩 = 4 chain. We explicitly identify the spin chain sigma model with the one for a superstring moving in AdS5 × S5 with large angular momentum along the five‐sphere.
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