Bose-Einstein condensation in linear sigma model at Hartree and large N approximation

Details Bose-Einstein condensation in linear sigma model at Hartree and large N approximation Bose-Einstein condensation in linear sigma model at Hartree and large N approximation

2007-02-22

arxiv.org/abs/hep-ph/0702230v1

J.Phys.G34:2727,2007

Physics

High Energy Physics

High Energy Physics - Phenomenology

11 pages, 9 figures

Scientific paper

10.1088/0954-3899/34/12/016

The BEC of charged pions is investigated in the framework of O(4) linear
sigma model. By using Cornwall-Jackiw-Tomboulis formalism, we have derived the
gap equations for the effective masses of the mesons at finite temperature and
finite isospin density. The BEC is discussed in chiral limit and non-chiral
limit at Hartree approximation and also at large N approximation.

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