Geodesic
AdS/CFT duality at strong coupling
Teoretičeskaâ i matematičeskaâ fizika, Tome 152 (2007) no. 2, pp. 213-224

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We study the strong-coupling limit of the AdS/CFT correspondence in the framework of a recently proposed fermionic formulation of the Bethe ansatz equations governing the gauge theory anomalous dimensions. We give examples of states that do not follow the Gubser–Klebanov–Polyakov law at a large 't Hooft coupling $\lambda$, in contrast to recent results on the quantum string Bethe equations that are valid in that regime. This result indicates that the fermionic construction cannot be trusted at large $\lambda$, although it remains an efficient tool for computing the weak-coupling expansion of anomalous dimensions.
Keywords: integrable lattice model, AdS/CFT correspondence, Bethe ansatz. 
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     author = {M. Beccaria and C. Ortix},
     title = {AdS/CFT duality at strong coupling},
     journal = {Teoreti\v{c}eska\^a i matemati\v{c}eska\^a fizika},
     pages = {213--224},
     publisher = {mathdoc},
     volume = {152},
     number = {2},
     year = {2007},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/TMF_2007_152_2_a0/}
}
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M. Beccaria; C. Ortix. AdS/CFT duality at strong coupling. Teoretičeskaâ i matematičeskaâ fizika, Tome 152 (2007) no. 2, pp. 213-224. http://geodesic.mathdoc.fr/item/TMF_2007_152_2_a0/