In this work, we derive a novel set of equations—the Asymptotic Baxter– Bethe Ansatz—that determine the asymptotic spectrum of Regge trajectories in the BFKLregime of N = 4 SYM. In this challenging limit, our method yields multi-loop results in the’t Hooft coupling, with the perturbative accuracy increasing as the quantum numbers grow.Our formalism not only provides a straightforward path to obtain multi-loop perturbativedata, as we demonstrate, but also enables the classification of trajectories, paving the wayfor systematic non-perturbative studies up to the strong-coupling regime.
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Nikolay Gromov
Simon Ekhammar
Michelangelo; id_orcid 0000-0001-6510-321X Preti
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Gromov et al. (Wed,) studied this question.