Elsevier

Physics Letters B

Volume 283, Issues 3–4, 11 June 1992, Pages 367-370
Physics Letters B

QCD bound states at finite temperature and baryon density Mass spectrum

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Abstract

Quark-antiquark bound states are described with the help of the Bethe-Salpeter equation for a special Nambu-Jona-Lasinio model at finite temperature and baryon number density. The decomposition of the Bethe-Salpeter vertex functionsaccording to their Lorentzs tructures and the particle flavour content are used. As an application we determine the mass of low-lying mesons as a function of temperature and baryon number density.

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