Quantum dispersion relations for the AdS₄ × CP³ GKP string
Bianchi, Lorenzo · Bianchi, Marco S.
Original · EN
We compute the one-loop correction to the dispersion relations of the excitations of the AdS₄ × CP³ 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.
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