Improving the Infra-red of Holographic Descriptions of QCD

Details Improving the Infra-red of Holographic Descriptions of QCD Improving the Infra-red of Holographic Descriptions of QCD

2006-03-30

arxiv.org/abs/hep-ph/0603249v3

JHEP 0701:058,2007

Physics

High Energy Physics

High Energy Physics - Phenomenology

17 pages, 2 figures, small corrections and updated fits

Scientific paper

10.1088/1126-6708/2007/01/058

A surprisingly good holographic description of QCD can be obtained from naive five dimensional gauge theory on a truncated AdS space. We seek to improve the infra-red description of QCD in such models by using a more sophisticated metric and an action derived from string theory duals of chiral symmetry breaking. Our metric is smooth into the infra-red and the chiral condensate is a prediction of the dynamics. The theory reproduces QCD meson data at the 10% level.

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