Chiral symmetry breaking in the soft-wall AdS/QCD model
By T. Gherghetta, J. Kapusta, T. M. Kelley. 2009
157 citations recorded by the source corpus.
We show how to incorporate chiral-symmetry breaking in the soft-wall version of the anti-de Sitter/QCD model by using a modified dilaton profile and a quartic term in the bulk scalar potential. This allows one to separate the dependence on spontaneous and explicit chiral-symmetry breaking. Moreover, our 5D model automatically incorporates linear trajectories and non chiral-symmetry restoration for highly excited radial states. We compare our resulting mass spectra in the scalar, vector, and axial-vector sectors with the respective QCD resonances and find reasonable agreement using the known values for the pion mass and decay constant.
Subfields: Nuclear and High Energy Physics
View Paper: https://www.semanticscholar.org/paper/af3250d5ef1b6bcce70bf14a38210becef81e5e9
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In Nuclear and High Energy Physics
Citations in the corpus
- Light-front holographic QCD and emerging confinement (2014, unknown): “[211, 212, 213, 214, 215, 216, 217, 218, 219, 220, 221, 222, 223, 224, 225, 226, 227, 228, 229, 230, 231, 232, 233, 234, 235, 236, 237, 238, 239] .”
- Nonperturbative QCD coupling and its β function from light-front holography (2010, result): “Introducing a positive-sign dilaton background is also relevant for describing chiral symmetry breaking in the soft-wall model, [20] since the expectation value of the scalar field associated with the quark mass and condensate does not blow up in the far infrared region of AdS, [21] in contrast with”