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paper

Is S=1 for c=1?

arXiv:hep-th/9109012 · doi:10.1016/0370-2693(92)90299-J

Abstract

The $c=1$ string in the Liouville field theory approach is shown to possess a nontrivial tree-level $S$-matrix which satisfies factorization property implied by unitary, if all the extra massive physical states are included.

11 pages