Physics – High Energy Physics – High Energy Physics - Phenomenology
Scientific paper
2011-06-21
Physics
High Energy Physics
High Energy Physics - Phenomenology
Proceedings of the International School-seminar "New Physics and Quantum Chromodynamics at external Conditions", 8 pages, 6 fi
Scientific paper
Some features of hot and dense gas of quarks which are considered as the quasi-particles of the model Hamiltonian with four-fermion interaction are studied. Being adapted to the Nambu-Jona-Lasinio model this approach allows us to accommodate a phase transition similar to the nuclear liquid-gas one at the proper scale and to argue an existence of the mixed phase of vacuum and normal baryonic matter as a plausible scenario of chiral symmetry (partial) restoration. Analyzing the transition layer between two phases we estimate the surface tension coefficient and discuss the possibility of quark droplet formation.
Molodtsov S. V.
Zinovjev G. M.
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