Quantum integrability in (super) Yang-Mills theory on the light-cone
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Publication:452762
DOI10.1016/J.PHYSLETB.2004.04.092zbMATH Open1247.81459arXivhep-th/0403085OpenAlexW1969127016MaRDI QIDQ452762
Author name not available (Why is that?)
Publication date: 17 September 2012
Published in: (Search for Journal in Brave)
Abstract: We employ the light-cone formalism to construct in the (super) Yang-Mills theories in the multi-color limit the one-loop dilatation operator acting on single trace products of chiral superfields separated by light-like distances. In the N=4 Yang-Mills theory it exhausts all Wilson operators of the maximal Lorentz spin while in nonsupersymmetric Yang-Mills theory it is restricted to the sector of maximal helicity gluonic operators. We show that the dilatation operator in all N-extended super Yang-Mills theories is given by the same integral operator which acts on the (N+1)-dimensional superspace and is invariant under the SL(2|N) superconformal transformations. We construct the R-matrix on this space and identify the dilatation operator as the Hamiltonian of the Heisenberg SL(2|N) spin chain.
Full work available at URL: https://arxiv.org/abs/hep-th/0403085
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