On quark masses in holographic QCD

@article{McNees2008OnQM,
  title={On quark masses in holographic QCD},
  author={Robert A. McNees and Robert C. Myers and Aninda Sinha},
  journal={arXiv: High Energy Physics - Theory},
  year={2008}
}
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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References

SHOWING 1-10 OF 40 REFERENCES
Quark mass and condensate in HQCD
We extend the Sakai-Sugimoto holographic model of QCD (HQCD) by including the scalar bi-fundamental ``tachyon" field in the 8-brane-anti-8-brane probe theory. We show that this field is responsible
Holographic QCD and pion mass
To realize massive pions, we study variations of the holographic model of massless QCD using the D4/D8/ brane configuration proposed by Sakai and Sugimoto. We propose deformations which break the
Quark mass deformation of holographic massless QCD
We propose several quark mass deformations of the holographic model of massless QCD using the D4/D8/-brane configuration proposed by Sakai and Sugimoto. The deformations are based on introducing
Holographic decays of large-spin mesons
We study the decay process of large-spin mesons in the context of the gauge/string duality, using generic properties of confining backgrounds and systems with flavour branes. In the string picture,
Holographic spectral functions and diffusion constants for fundamental matter
The holographic dual of large-Nc super-Yang-Mills coupled to a small number of flavours of fundamental matter, Nf << Nc, is described by Nf probe D7-branes in the gravitational background of Nc black
Low energy hadron physics in holographic QCD
We present a holographic dual of four-dimensional, large N_c QCD with massless flavors. This model is constructed by placing N_f probe D8-branes into a D4 background, where supersymmetry is
More on a holographic dual of QCD
We investigate the interactions among the pion, vector mesons and external gauge fields in the holographic dual of massless QCD proposed in a previous paper [T. Sakai and S. Sugi-moto, Prog. Theor.
Thermodynamics of the brane
The holographic dual of a finite-temperature gauge theory with a small number of flavours typically contains D-brane probes in a black hole background. We have recently shown that these systems
Generalized Gross-Neveu models and chiral symmetry breaking from string theory
We consider intersecting D-brane models which have two dimensional chiral fermions localized at the intersections. At weak coupling, the interactions of these fermions are described by generalized
NJL and QCD from String Theory
We study a configuration of D-branes in string theory that is described at low energies by a four-dimensional field theory with a dynamically broken chiral symmetry. In a certain region of the
...
...