2010/09/30 by Thomas M. Kelley, Sean P. Bartz, Joseph I. Kapusta · 1 citation
Physics and Astronomy · #Black Holes and Theoretical Physics #Cosmology and Gravitation Theories #Mass spectrometry #Mass spectrum #Meson #Particle physics #Physics #Pseudoscalar #Quantum Chromodynamics and Particle Interactions #Quantum chromodynamics #Quantum mechanics #Spectrum (functional analysis) #hep-ph #nucl-th
paper · pdf · doi:10.1103/physrevd.83.016002
published as Phys.Rev.D83:016002,2011 · Equations corrected, addition explanations added
arxiv created 2010/12/30 · openalex publication_date 2011/01/05 · arxiv updated 2011/02/25 · openalex created_date 2025/10/10 · openalex updated_date 2026/08/05
The anti--de Sitter space/conformal field theory (AdS/CFT) correspondence may offer new and useful insights into the nonperturbative regime of strongly coupled gauge theories such as quantum chromodynamics (QCD). Recently, a modified soft-wall AdS/QCD model incorporated independent sources for explicit and spontaneous chiral symmetry breaking and linear confinement. This model contains a modified dilaton and higher-order interaction terms in the Lagrangian. Within this model we explore the radial pseudoscalar mass spectrum using two different representations of the pion field. We find the mass eigenvalues associated with each representation show the equivalence between the two, and we find good agreement with the pion masses. The Gell-Mann--Oakes--Renner (GOR) relation is naturally obtained.