Scaling function in AdS/CFT from the O(6) sigma model

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dc.creatorBajnok, Z.
dc.creatorBalog, J.
dc.creatorBasso, B.
dc.creatorKorchemsky, G. P.
dc.creatorPalla, L.
dc.date2008-09-29
dc.date.accessioned2026-07-07T12:36:16Z
dc.date.available2026-07-07T12:36:16Z
dc.descriptionAsymptotic behavior of the anomalous dimensions of Wilson operators with high spin and twist is governed in planar N=4 SYM theory by the scaling function which coincides at strong coupling with the energy density of a two-dimensional bosonic O(6) sigma model. We calculate this function by combining the two-loop correction to the energy density for the O(n) model with two-loop correction to the mass gap determined by the all-loop Bethe ansatz in N=4 SYM theory. The result is in agreement with the prediction coming from the thermodynamical limit of the quantum string Bethe ansatz equations, but disagrees with the two-loop stringy corrections to the folded spinning string solution.
dc.description25 pages, 2 figures
dc.identifierhttps://arxiv.org/abs/0809.4952
dc.identifierhttp://arxiv.org/abs/0809.4952
dc.identifierNucl.Phys.B811:438-462,2009
dc.identifierdoi:10.1016/j.nuclphysb.2008.11.023
dc.identifier.urihttp://salesiana.dossiersoluciones.com/handle/123456789/218037
dc.subjectHigh Energy Physics - Theory
dc.titleScaling function in AdS/CFT from the O(6) sigma model
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