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From OPE to chiral perturbation theory in holographic QCD
2016
EPJ Web of Conferences
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The soft wall model in holographic QCD has Regge trajectories but wrong operator product expansion (OPE) for the two-point vectorial QCD Green function. We modify the dilaton potential to comply with the OPE. We study also the axial two-point function using the same modified dilaton field and an additional scalar field to address chiral symmetry breaking. OPE is recovered adding a boundary term and low energy chiral parameters, F π and L 10 , are well described analytically by the model in
doi:10.1051/epjconf/201612900043
fatcat:wtd46fqdy5cs5mfi7isqqchwbq