492 citations
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hep-ph2007★ 12 cited
Bose-Einstein condensation in linear sigma model at Hartree and large N approximation
Song Shu, Jia-Rong Li
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 effect…
hep-ph2006★ 29 cited
The linear sigma model at a finite isospin chemical potential
Hong Mao, Nicholas Petropoulos, Song Shu +1
The effect of finite isospin chemical potential to the effective masses of the mesons at finite temperature is investigated in the framework of the O(4) linear sigma model with exp…