Notes on the S-matrix of bosonic and topological non-critical strings

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Published 10 October 2005 • Published under licence by IOP Publishing Ltd
, , Citation Shin Nakamura and Vasilis Niarchos JHEP10(2005)025 DOI 10.1088/1126-6708/2005/10/025

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1 The Niels Bohr Institute, Blegdamsvej 17, 2100 Copenhagen Ø, Denmark

Dates

  1. Received 15 August 2005
  2. Accepted 22 September 2005
  3. Published

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1126-6708/2005/10/025

Abstract

We show that the equivalence between the c = 1 non-critical bosonic string and the Script N = 2 topologically twisted coset SL(2)/U(1) at level one can be checked very naturally on the level of tree-level scattering amplitudes with the use of the Stoyanovsky-Ribault-Teschner map, which recasts H3+ correlation functions in terms of Liouville field theory amplitudes. This observation can be applied equally well to the topologically twisted SL(2)n/U(1) coset with n > 1, which has been argued recently to be equivalent with a c < 1 non-critical bosonic string whose matter part is defined by a time-like linear dilaton CFT.

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10.1088/1126-6708/2005/10/025