Higher-Loop Integrability in N=4 Gauge Theory

Beisert, Niklas

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Higher-Loop Integrability in N=4 Gauge Theory

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Beisert, Niklas
Duality & Integrable Structures, AEI-Golm, MPI for Gravitational Physics, Max Planck Society;

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Beisert, N. (2004). Higher-Loop Integrability in N=4 Gauge Theory. Comptes Rendues Physique, 5, 1039-1048.

Cite as: https://hdl.handle.net/11858/00-001M-0000-0013-5193-D

Abstract

The dilatation operator measures scaling dimensions of local operator in a conformal field theory. Algebraic methods of constructing the dilatation operator in four-dimensional N=4 gauge theory are reviewed. These led to the discovery of novel integrable spin chain models in the planar limit. Making use of Bethe ansaetze, a superficial discrepancy in the AdS/CFT correspondence was found, we discuss this issue and give a possible resolution.