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Four point functions in the [formula omitted]WZW model

Authors
Journal
Physics Letters B
0370-2693
Publisher
Elsevier
Publication Date
Volume
647
Identifiers
DOI: 10.1016/j.physletb.2007.02.023
Keywords
  • Theory

Abstract

Abstract We consider winding conserving four point functions in the SL ( 2 , R ) WZW model for states in arbitrary spectral flow sectors. We compute the leading order contribution to the expansion of the amplitudes in powers of the cross ratio of the four points on the worldsheet, both in the m- and x-basis, with at least one state in the spectral flow image of the highest weight discrete representation. We also perform certain consistency check on the winding conserving three point functions.

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