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arxiv: hep-th/0303150 · v2 · pith:MFH4AQ3Pnew · submitted 2003-03-17 · ✦ hep-th

A lecture on the Liouville vertex operators

J. Teschner This is my paper
classification ✦ hep-th
keywords exponentialfieldsoperatorsvertexchiralconstructionliouvilleallows
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We reconsider the construction of exponential fields in the quantized Liouville theory. It is based on a free-field construction of a continuous family or chiral vertex operators. We derive the fusion and braid relations of the chiral vertex operators. This allows us to simplify the verification of locality and crossing symmetry of the exponential fields considerably. The calculation of the matrix elements of the exponential fields leads to a constructive derivation of the formula proposed by Dorn/Otto and the brothers Zamolodchikov.

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