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Phase diagram of the selfinteracting particle­-antiparticle boson system
Author(s) -
D. Anchishkin,
V. Gnatovskyy,
D. Zhuravel,
V. Karpenko
Publication year - 2021
Publication title -
journal of physics and electronics
Language(s) - English
Resource type - Journals
eISSN - 2664-3626
pISSN - 2616-8685
DOI - 10.15421/332101
Subject(s) - boson , physics , isospin , phase diagram , antiparticle , mean field theory , component (thermodynamics) , phase transition , bose–einstein condensate , particle (ecology) , field (mathematics) , phase (matter) , quantum mechanics , particle physics , oceanography , mathematics , geology , lepton , pure mathematics , electron
A system of interacting relativistic bosons at finite temperatures and isospin densities is studied within the framework of the Skyrme­like mean­field model. The mean field contains both attractive and repulsive terms. The consideration is taken within the framework of the Canonical Ensemble and the isospin­density dependencies of thermodynamic quantities is obtained, in particular as the phase diagrams. It is shown that in such a system, in addition to the formation of a Bose­Einstein condensate, a liquid­gas phase transition is possible. We prove that the multi­boson system develops the Bose condensate for particles of high­density component only.

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