1305.1939 (Nikolay Gromov et al.)

Quantum spectral curve for AdS_5/CFT_4    [PDF]

Nikolay Gromov, Vladimir Kazakov, Sebastien Leurent, Dmytro Volin

We present a new formalism, alternative to the old TBA-like approach, for solution of the spectral problem of planar N = 4 SYM. It takes a concise form of a non-linear matrix Riemann-Hilbert problem in terms of a few Q-functions. We demonstrate the formalism for two types of observables - local operators at weak coupling and cusped Wilson lines in a near BPS limit.

View original: http://arxiv.org/abs/1305.1939