Holographic QCD and perfection
Evans, Nick (2007) Holographic QCD and perfection. Pre-print, (hep-ph/0701218v), 1-8.
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A holographic description of chiral symmetry breaking in the pattern of QCD is reviewed.
D7 brane probes are used to include quark fields in a simple non-supersymmetric deformation of the AdS/CFT Correspondence. The axial symmetry breaking is realized
geometrically and the quark condensate and meson masses are computable.
Surprisingly, treating the model as a description of QCD works quantitatively at the 15% level. Models of this AdS/QCD type typically have a strongly coupled, conformal UV regime that is far from QCD. To systematically move closer to QCD,
we propose cutting out the large radius gravitational description and matching operators and couplings at a finite UV cut off in the spirit of a perfect lattice action.
A simple example is discussed.
|Additional Information:||Talk presented at SCGT06.|
|Subjects:||Q Science > QC Physics|
|Divisions:||University Structure - Pre August 2011 > School of Physics and Astronomy
|Date Deposited:||13 Aug 2008|
|Last Modified:||08 Oct 2015 09:03|
|RDF:||RDF+N-Triples, RDF+N3, RDF+XML, Browse.|
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