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arxiv: 1206.3796 · v1 · pith:AZRM5RMVnew · submitted 2012-06-17 · ✦ hep-ph

Anomalous AV*V Green's function in soft-wall AdS/QCD

classification ✦ hep-ph
keywords soft-walldifferentenergiesfunctiongreenhighmodelanomalous
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In this talk we study the Green's function of two vector and one axial-vector currents within the soft-wall anti-de-Sitter (AdS) model of Qunatum Chromodynamics (QCD), with a quadratic dilaton and chiral symmetry broken through a field X which gains a vacuum expectation value. We compare our predictions at high energies with the Operator Product Expansion both in the massless quark limit and for mq different from 0. The soft-wall model yields a zero magnetic susceptibility chi=0 and some problems are found in the case with mq different from 0. We also discuss the relation proposed by Son and Yamamoto between the AV*V and VV-AA correlators, which is not obeyed at high energies in soft wall AdS/QCD.

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