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What is Quark Mass Deformations in Holographic QCD about?

This document proposes several deformations of the holographic model of massless QCD developed by Sakai and Sugimoto to introduce quark masses. The deformations involve adding additional D4- or D6-branes separated from the original QCD D4-branes. This is similar to extended technicolor theories where chiral symmetry breaking by additional branes induces non-zero quark masses. The document derives the Gell-Mann-Oakes-Renner relation and calculates the chiral condensate value in the Sakai-Sugimoto model using

Author

seppi05

Language

EN