On quark masses in holographic QCD
Robert McNees, Robert C. Myers, Aninda Sinha
TL;DR
This paper investigates nonlocal operators for quark masses in holographic QCD, analyzing their properties at strong coupling and calculating the chiral condensate using holographic methods.
Contribution
It provides a detailed holographic analysis of nonlocal quark mass operators and their renormalization in the Sakai-Sugimoto model.
Findings
Renormalization of operators is affected by the running gauge coupling.
Explicit evaluation of the chiral condensate using holography.
Insights into the strong coupling behavior of quark mass operators.
Abstract
Recently certain nonlocal operators were proposed to provide quark masses for the holographic model of QCD developed by Sakai and Sugimoto. The properties of these operators at strong coupling are examined in detail using holographic techniques. We find the renormalization procedure for these operators is modified by the running of the five-dimensional gauge coupling. We explicitly evaluate the chiral condensate characterized by these operators.
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