Chin. Phys. Lett.  2005, Vol. 22 Issue (12): 3036-3039    DOI:
Original Articles |
Does There Exist Only One Solution of the Dyson--Schwinger Equation for the Quark Propagator in the Case of Non-Zero Current Quark Mass
ZONG Hong-Shi1,2,3;SUN Wei-Min1,2,3;PING Jia-Lun4;Lü Xiao-Fu2,5;WANG Fan1,2
1Department of Physics, Nanjing University, Nanjing 210093 2CCAST (World Laboratory), PO Box 8730, Beijing 100080 3Joint Center for Particle, Nuclear Physics and Cosmology, Nanjing 210093 4Department of Physics, Nanjing Normal University, Nanjing 210093 5Department of Physics, Sichuan Union University, Chengdu 610064
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ZONG Hong-Shi, SUN Wei-Min, PING Jia-Lun et al  2005 Chin. Phys. Lett. 22 3036-3039
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Abstract 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.
Keywords: 11.15.Tk      12.38.Aw      12.38.Lg      12.39.-x     
Published: 01 December 2005
PACS:  11.15.Tk (Other nonperturbative techniques)  
  12.38.Aw (General properties of QCD (dynamics, confinement, etc.))  
  12.38.Lg (Other nonperturbative calculations)  
  12.39.-x (Phenomenological quark models)  
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https://cpl.iphy.ac.cn/       OR      https://cpl.iphy.ac.cn/Y2005/V22/I12/03036
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