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One-loop amplitudes of winding strings inAdS3and the Coulomb gas approach
2016
Physical Review D
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We discuss a Coulomb gas realization of n-point correlation functions in the SL(2,R) Wess-Zumino-Witten (WZW) model that is suitable to compute scattering amplitudes of winding strings in 3-dimensional Anti-de Sitter space at tree-level and one-loop. This is a refined version of previously proposed free-field realizations that, among other features, accomplishes to make the H_3^+ WZW-Liouville correspondence manifest.
doi:10.1103/physrevd.93.064037
fatcat:lmguhnjc4bau5nprrrc7c3uz6m