Exploring meson correlators in the model with four-quark interaction Lagrangian

Details Exploring meson correlators in the model with four-quark interaction Lagrangian Exploring meson correlators in the model with four-quark interaction Lagrangian

2008-12-14

arxiv.org/abs/0812.2666v3

Physics

High Energy Physics

High Energy Physics - Phenomenology

14 pages, 3 figures, section about correlation functions in the Minkowski space was added

Scientific paper

Meson correlation functions are studied in the model with four-fermion interaction Lagrangian. We demonstrate that despite the singular character of system mean energy and corresponding quark condensate found out the meson observables are finite, quite well identified and compatible with experimental energy scale. It allows one to use the similar model Hamiltonians for describing the nonequilibrium features of quark/hadron systems which reveal themselves in studying ultrarelativistic heavy ion collisions. The analytical results for meson correlation functions in the Keldysh model are given.

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