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Effect of a Small Current Quark Mass on Dressed Gluon and Quark Propagator |
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| Authors: | HOU Feng-Yao GU Jian-Zhong ZONG Hong-Shi LÜ Xiao-Fu |
| Affiliation: | 1. Department of Physics, Nanjing University, Nanjing 210093, China;2. Department of Physics, Graduate School of Science KyotoUniversity, Kitashirakawa 606-8502 Kyoto, Japan;3. CCAST (World Laboratory), P.O. Box 8730, Beijing 100080, China;4. Department of Physics, Sichuan University, Chengdu 610064, China |
| Abstract: | Based on the Dyson-Schwinger approach, a method for obtaining thesmall current quark mass effect on the dressed gluon and quarkpropagator is developed. A comparison with the results of theprevious approach is given. |
| Keywords: | Dyson-Schwinger approach explicit and dynamical chiral symmetry breaking |
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