Probing Flavored Mesons of Confining Gauge Theories by Supergravity

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Abstract
We incorporate massive flavored fundamental quarks in the supergravity dual of N=1 SYM by introducing D7 brane probes to the Klebanov Strassler background. We find probe configurations that solve the D7 equations of motion. We compute the quadratic fluctuations of the D7 brane and extract the spectrum of vector and scalar flavored mesons. The spectrum is discrete and exhibits a mass gap of the order of the glueball mass.

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