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Title:
Logarithmic Correlations in Geometrical Critical Phenomena, Part I
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Abstract:
In the first lecture (on Wednesday) we give a gentle introduction to some aspects of LCFT in two dimensions. We review in particular how logarithms emerge as a resonance phenomenon between two or more operators with colliding critical exponents. In this setup LCFT are produced rather simply as appropriate limits of ordinary CFT. We show how the logarithmic couplings (also known as indecomposability parameters) can be computed from this limiting procedure. We also illustrate the ubiquity of LCFT in the statistical mechanics of geometrical critical phenomena. The links with more algebraic approaches are briefly sketched.
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