Three-field potential for soft-wall AdS/QCD

Sean P. Bartz, Joseph I. Kapusta

Research output: Contribution to journalArticlepeer-review

Abstract

The AdS/CFT correspondence may offer new and useful insights into the non-perturbative regime of strongly coupled gauge theories such as Quantum Chromodynamics. Soft-wall AdS/QCD models have reproduced the linear trajectories of meson spectra by including background dilaton and chiral condensate fields. Efforts to derive these background fields from a scalar potential have so far been unsuccessful in satisfying the UV boundary conditions set by the AdS/CFT dictionary while reproducing the IR behavior needed to obtain the correct chiral symmetry breaking and meson spectra. We present a three-field scalar parametrization that includes the dilaton field and the chiral and glueball condensates. This model is consistent with linear trajectories for the meson spectra and the correct masssplitting between the vector and axial-vector mesons. We also present the resulting meson trajectories.

Original languageEnglish (US)
Pages (from-to)13-18
Number of pages6
JournalActa Physica Polonica B, Proceedings Supplement
Volume6
Issue number1
DOIs
StatePublished - Apr 22 2013

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