Physics – High Energy Physics – High Energy Physics - Phenomenology
Scientific paper
2011-03-17
Phys.Rev.D84:036011,2011
Physics
High Energy Physics
High Energy Physics - Phenomenology
15 pages, 12 figures, text slightly improved
Scientific paper
10.1103/PhysRevD.84.036011
The 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 (inhomogeneous) 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 speculate on the possible existence of quark droplet.
Molodtsov S. V.
Zinovjev G. M.
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