Completing the framework of AdS/QCD: h_1/b_1 mesons and excited omega/rho's

Abstract

We extend the "hard wall" gravity dual of QCD by including tensor fields b_{MN} that correspond to the QCD quark bilinear operators qbar sigma^{mu nu} q. These fields give rise to a spectrum of states which include the h_1 and b_1 mesons, as well as a tower of excited omega/rho meson states. We also identify the lowest-dimension term which leads to mixing between the new rho states and the usual tower of rho mesons when chiral symmetry is broken.

37 pages, uses jheppub.sty; v2: Added reference and revised discussion of interaction terms

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