This article is cited in 1 paper

A new generalized Wick theorem in conformal field theory

T. Takagi

Department of Applied Physics, National Defense Academy, Kanagawa, Japan

Abstract: We describe a new generalized Wick theorem for interacting fields in two-dimensional conformal field theory and briefly discuss its relation to the Borcherds identity and its derivation by an analytic method. We give examples of calculating operator product expansions using the generalized Wick theorem including fermionic fields.

Keywords: operator product expansion, vertex algebra, Borcherds identity, fermionic field.

Received: 25.10.2016
Revised: 17.01.2017

DOI: 10.4213/tmf9297

 English version: Theoretical and Mathematical Physics, 2017, 192:2, 1230–1241

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