Pions in magnetic field at finite temperature
Pions in magnetic field at finite temperature
复制标题
有限温度下磁场中的π介子
DOI:
10.1103/physrevd.99.056005
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发表时间:
2018-08
影响因子:
5
通讯作者:
Shijun Mao
中科院分区:
文献类型:
--
作者:
Shijun Mao
Pions in external magnetic field are investigated in the frame of a Pauli-Villars regularized Nambu--Jona-Lasinio model. The meson propagators in terms of quark bubbles in Ritus and Schwinger schemes are analytically derived, and pion masses are numerically calculated in the Ritus scheme. For neutral and charged pions at finite temperature, there exist respectively one and three mass jumps at the corresponding Mott transition points, due to the discrete energy levels of the two constituent quarks in magnetic field.
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