Probing Flavored Mesons of Confining Gauge Theories by Supergravity

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 pseudo scalar flavored mesons. The spectra found are discrete and exhibit a mass gap of the order of the glueball mass.

arXiv commentLatex2e, 23pages, two eps files, v2: gauge field configuration on a probe corrected, RR 4-form potential modified, two references added, v3: a reference added, v4: comments added

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