Title of Paper:Pion and sigma-meson properties in a strong magnetic field

Hits:

Date of Publication:2015-09-01

Journal:Communications in Theoretical Physics

Volume:64

Page Number:325-333

Abstract:With the Nambu–Jona-Lasinio (NJL) model we calculate the properties of pion and σ-meson at finite
temperature and finite magnetic field. The obtained temperature and magnetic field strength dependence of the constituent quark mass M , the pion and σ-meson masses and the neutral pion decay constant indicates that, in the simple four fermion interaction model, there exists the magnetic catalysis effect. It also shows that the Gell-Mann–Oakes–Renner relation is violated obviously with the increasing of the temperature, and the effect of the magnetic field becomes pronounced only around the

Note:论文作者按贡献大小排序，*为通讯作者