Pseudoscalar Meson Nonet at Zero and Finite Temperature

Details Pseudoscalar Meson Nonet at Zero and Finite Temperature Pseudoscalar Meson Nonet at Zero and Finite Temperature

2007-03-11

arxiv.org/abs/hep-ph/0703115v1

Phys.Part.Nucl.39:1033-1039,2008

Physics

High Energy Physics

High Energy Physics - Phenomenology

14 pages, 11 figures, accepted for publication in Physics of Particles and Nuclei Letters, based on invited lectures at "Dense

Scientific paper

10.1134/S1063779608070095

Theoretical understanding of experimental results from relativistic heavy-ion collisions requires a microscopic approach to the behavior of QCD n-point functions at finite temperatures, as given by the hierarchy of Dyson-Schwinger equations, properly generalized within the Matsubara formalism. The convergence of sums over Matsubara modes is studied. The technical complexity of finite-temperature calculations mandates modeling. We present a model where the QCD interaction in the infrared, nonperturbative domain, is modeled by a separable form. Results for the mass spectrum of light quark flavors (u, d, s) and for the pseudoscalar bound-state amplitudes at finite temperature are presented.

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