Chiral and deconfinement phase transitions in QED3 with finite gauge boson mass


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详细

Based on the experimental observation that there is a coexisting region between the antiferromagnetic (AF) and d-wave superconducting (dSC) phases, the influences of gauge boson mass ma on chiral symmetry restoration and deconfinement phase transitions in QED3 are investigated simultaneously within a unified framework, i.e., Dyson–Schwinger equations. The results show that the chiral symmetry restoration phase transition in the presence of the gauge boson mass ma is a typical second-order phase transition; the chiral symmetry restoration and deconfinement phase transitions are coincident; the critical number of fermion flavors Ncf decreases as the gauge boson mass ma increases, which implies that there exists a boundary that separates the Ncfma plane into chiral symmetry breaking/confinement region for (Ncf, ma) below the boundary and chiral symmetry restoration/deconfinement region for (Ncf, ma) above it.

作者简介

Pei-Lin Yin

Department of Physics; State Key Laboratory of Theoretical Physics, Institute of Theoretical Physics

编辑信件的主要联系方式.
Email: yinpl1101@gmail.com
中国, Nanjing, 211189; Beijing, 100190

Hai-Xiao Xiao

Department of Physics

Email: yinpl1101@gmail.com
中国, Nanjing, 210093

Hong-Shi Zong

Department of Physics; Joint Center for Particle; State Key Laboratory of Theoretical Physics, Institute of Theoretical Physics

Email: yinpl1101@gmail.com
中国, Nanjing, 210093; Nanjing, 210093; Beijing, 100190

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