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Holographic QCD and perfection

Record type: Article

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.

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Citation

Evans, Nick (2007) Holographic QCD and perfection Pre-print, (hep-ph/0701218v), pp. 1-8.

More information

Published date: 25 January 2007
Additional Information: Talk presented at SCGT06.

Identifiers

Local EPrints ID: 57198
URI: http://eprints.soton.ac.uk/id/eprint/57198
PURE UUID: 0145636d-c327-47f8-90e0-04422dff1952

Catalogue record

Date deposited: 13 Aug 2008
Last modified: 17 Jul 2017 14:29

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Contributors

Author: Nick Evans

University divisions

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