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Quantum corrections to the string Bethe ansatz

arXiv:hep-th/0603204 · doi:10.1088/1126-6708/2006/07/004

Abstract

One-loop corrections to the energy of semiclassical rotating strings contain both analytic and non-analytic terms in the 't Hooft coupling. Analytic contributions agree with the prediction from the string Bethe ansatz based on the classical S-matrix, but in order to include non-analytic contributions quantum corrections are required. We find a general expression for the first quantum correction to the string Bethe ansatz.

12 pages. Latex. v2: Misprints corrected and references added

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Quantum corrections to the string Bethe ansatz · wovepaper