Abstract
The dilatation operator of planar \( \mathcal{N} = {4} \) super Yang-Mills in the pure scalar SO(6) sector is derived at the two-loop order. Representation theory allows for eight free coefficients in an ansatz for the corresponding spin-chain hamiltonian acting on three adjacent scalar states. While four out of these follow from the known SU(2|3) sector two-loop dilatation operator, the remaining four coefficients are derived by diagrammatic techniques and a match to the known dimension of a length three primary operator. Finally, comments upon the use of this result for the evaluation of three-point structure functions of scalar operators at the one-loop order are given.
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ArXiv ePrint: 1106.0724
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Georgiou, G., Gili, V. & Plefka, J. The two-loop dilatation operator of \( \mathcal{N} = {4} \) super Yang-Mills theory in the SO(6) sector. J. High Energ. Phys. 2011, 75 (2011). https://doi.org/10.1007/JHEP12(2011)075
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DOI: https://doi.org/10.1007/JHEP12(2011)075