The Off-shell Symmetry Algebra of the Light-cone AdS_5 x S^5 Superstring

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dc.creatorArutyunov, Gleb
dc.creatorFrolov, Sergey
dc.creatorPlefka, Jan
dc.creatorZamaklar, Marija
dc.date2006-09-22
dc.date.accessioned2026-07-07T11:07:16Z
dc.date.available2026-07-07T11:07:16Z
dc.descriptionWe analyze the psu(2,2|4) supersymmetry algebra of a superstring propagating in the AdS_5 x S^5 background in the uniform light-cone gauge. We consider the off-shell theory by relaxing the level-matching condition and take the limit of infinite light-cone momentum, which decompactifies the string world-sheet. We focus on the psu(2|2)+psu(2|2) subalgebra which leaves the light-cone Hamiltonian invariant and show that it undergoes extension by a central element which is expressed in terms of the level-matching operator. This result is in agreement with the conjectured symmetry algebra of the dynamic S-matrix in the dual N=4 gauge theory.
dc.description30 pages, one figure
dc.identifierhttps://arxiv.org/abs/hep-th/0609157
dc.identifierhttp://arxiv.org/abs/hep-th/0609157
dc.identifierJ.Phys.A40:3583-3606,2007
dc.identifierdoi:10.1088/1751-8113/40/13/018
dc.identifier.urihttp://salesiana.dossiersoluciones.com/handle/123456789/189789
dc.subjectHigh Energy Physics - Theory
dc.titleThe Off-shell Symmetry Algebra of the Light-cone AdS_5 x S^5 Superstring
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