The logarithmic conformal field theories

We study the correlation functions of logarithmic conformal field theories. First, assuming conformal invariance, we explicitly calculate two– and three– point functions. This calculation is done for the general case of more than one logarithmic field in a block, and more than one set of logarithmic fields. Then we show that one can regard the logarithmic field as a formal derivative of the ordinary field with respect to its conformal weight. This enables one to calculate any n– point function containing the logarithmic field in terms of ordinary n–point functions. At last, we calculate the operator product expansion (OPE) coefficients of a logarithmic conformal field theory, and show that these can be obtained from the corresponding coefficients of ordinary conformal theory by a simple

• Publication year

  1996

• Venue

  Nuclear Physics

• Publication date

  1996-10-22

• Fields of study

  Physics

• Identifiers
  DOI 10.1016/S0550-3213(97)00230-7arXiv hep-th/9610168
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  Open on Semantic Scholar

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