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On the S-matrix of Liouville theory

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arxiv 2011.06876 v1 pith:DDJGAOB4 submitted 2020-11-13 hep-th

classification hep-th
keywords s-matrixtheoryactioncomputedliouvilleloopscatteringamplitudes
verification ladder T0 review T1 audit T2 compute T3 formal
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The S-matrix for each chiral sector of Liouville theory on a cylinder is computed from the loop expansion of correlation functions of a one-dimensional field theory on a circle with a non-local kinetic energy and an exponential potential. This action is the Legendre transform of the generating function of semiclassical scattering amplitudes. It is derived from the relation between asymptotic in- and out-fields. Its relevance for the quantum scattering process is demonstrated by comparing explicit loop diagrams computed from this action with other methods of computing the S-matrix, which are also developed.

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  1. Recursive relations for the S-matrix of Liouville theory

    hep-th 2025-07 conditional novelty 5.0 of 10

    The Liouville S-matrix normal symbol for discrete momenta p=iℏN is derived from recursive equations and matches the authors' earlier contour-integral representation.

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