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k-String Tension from Eguchi-Kawai Reduction

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The k-string can be thought of as a bound state of k fundamental QCD -strings. Its tension has been vastly discussed in the literature. In particular, most analytic approaches in the case of theories with adjoint fermions suggest that the k-string tension respect the Sine scaling. After having introduced some basic facts about k-string I will discuss how the use of Eguchi-Kawai dimensional reduction can help us in computing the tension. As an explicit example I will discuss in details the reduction of adjoint-QCD from 3 to 2 dimensions in which the k-string tension can be computed under some assumptions, whose validity I will analyse.

This talk is part of the Quantum Fields and Strings Seminars series.

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