Publication: Quantum corrections to the string Bethe ansatz
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2006-07
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Int School Advanced Studies
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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.
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© SISSA 2006. The work of R.H. is supported by a CERN fellowship. The work of E.L. is supported by a Ramón y Cajal contract of MCYT and in part by the Spanish DGI under contracts FPA2003-02877 and FPA2003-04597.