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

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Type
Preprint
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Submission Date
Identifiers
arXiv ID: 0812.2666
Source
arXiv
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Abstract

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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