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We perform a systematic analysis of k-strings in the framework of thegauge/gravity correspondence. We discuss the Klebanov-Strassler supergravitybackground which is known to be dual to a confining supersymmetric gauge theorywith chiral symmetry breaking. We obtain the k-string tension in agreement withexpectations of field theory. Our main new result is the study of one-loopcorrections on the string theoretic side. We explicitly find the frequencyspectrum for both the bosons and the fermions for quadratic fluctuations aboutthe classical supergravity solution. Further we use the massless modes tocompute 1/L contributions to the one loop corrections to the k-string energy.This corresponds to the Luscher term contribution to the k-string potential onthe gauge theoretic side of the correspondence.

Luscher Term for k-string Potential from Holographic One Loop Corrections