Does there exist only one solution of the Dyson-Schwinger equation for the quark propagator in the case of non-zero current quark mass

被引：0
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作者：
Zong, HS [1 ]
Sun, WM
Ping, JL
Lü, XF
Wang, F
机构：
[1] Nanjing Univ, Dept Phys, Nanjing 210093, Peoples R China
[2] CCAST, World Lab, Beijing 100080, Peoples R China
[3] Joint Ctr Particle Nucl Phys & Cosmol, Nanjing 210093, Peoples R China
[4] Nanjing Normal Univ, Dept Phys, Nanjing 210097, Peoples R China
[5] Sichuan Union Univ, Dept Phys, Chengdu 610064, Peoples R China
来源：
CHINESE PHYSICS LETTERS | 2005年 / 22卷 / 12期
关键词：
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中图分类号：
O4 [物理学];
学科分类号：
0702 ;
摘要：
It is shown on general ground that there exist two qualitatively distinct solutions of the Dyson-Schwinger equation for the quark propagator in the case of non-zero current quark mass. One solution corresponds to the "Nambu-Goldstone" phase and the other one corresponds to the "Wigner" phase in the chiral limit.
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页码：3036 / 3039
页数：4
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