Virasoro Algebra and O(N) Sigma Model
classification
✦ hep-th
keywords
algebrafunctionalvirasorocentralchargeexpansionfieldsframework
read the original abstract
Within the framework of a local expansion of the logarithm of the O(N) sigma-model vacuum functional, valid for slowly varying fields, the modified Virasoro algebra is studied. The operator-like central charge term is given, up to second order, for a general functional.
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