Chiral symmetry breaking driven by dilaton

Details Chiral symmetry breaking driven by dilaton Chiral symmetry breaking driven by dilaton

2004-08-05

arxiv.org/abs/hep-th/0408040v2

Phys.Lett. B604 (2004) 235-241

Physics

High Energy Physics

High Energy Physics - Theory

11 pages, 4 figures

Scientific paper

10.1016/j.physletb.2004.10.048

Dynamical properties of gauge theories with light flavor quarks are studied in a dual supergravity by adding a D7-brane probe into the AdS background deformed by the dilaton. By estimating the vev of flavor quark-bilinear in both the supersymmetric and non-supersymmetric gravity duals, we find spontaneous chiral symmetry breaking in the case of the non-supersymmetric background. We also study quark-antiquark potential for light quarks to see the quark confinement in the models considered here.

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