Quantum dispersion relations for the $Ad{S}_4\times C{P}^3$ GKP string

Abstract

We compute the one-loop correction to the dispersion relations of the excitations of the $Ad{S}_4\times C{P}^3$ sigma model dual to ABJM theory, expanded around the cusp background. The results parallel those of N = 4 SYM. As in that case, the dispersion relations are compatible with the predictions from the Bethe ansatz for the GKP string, though showing some known discrepancies on which we comment.

30 pages, 3 figures; v2: published version

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Cited by in corpus (2)

• Worldsheet scattering for the GKP string
• Green-Schwarz superstring on the lattice