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The conformal anomaly of k-strings

Pietro Giudice·Ferdinando Gliozzi·Stefano Lottini
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Abstract

Simple scaling properties of correlation functions of a confining gauge theory in d-dimensions lead to the conclusion that k-string dynamics is described, in the infrared limit, by a two-dimensional conformal field theory with conformal anomaly c=(d-2)T_k/T_1, where T_k is the k-string tension. This result applies to any gauge theory with stable k-strings. We check it in a 3D Z_4 gauge model at finite temperature, where a string effect directly related to c can be clearly identified.

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Pietro Giudice, Ferdinando Gliozzi, Stefano Lottini. 2007-03-16. The conformal anomaly of k-strings. https://doi.org/10.1088/1126-6708%2F2007%2F05%2F010

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