study of dynamical chiral symmetry breaking in (2 + 1) dimensional abelian higgs model动力学研究手性对称闯入(2 + 1)维阿贝尔希格斯模型.pdfVIP

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study of dynamical chiral symmetry breaking in (2 + 1) dimensional abelian higgs model动力学研究手性对称闯入(2 + 1)维阿贝尔希格斯模型.pdf

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studyofdynamicalchiralsymmetrybreakingin(21)dimensionalabelianhiggsmodel动力学研究手性对称闯入(21)维阿贝尔希格斯模型

Symmetry 2010, 2, 907-915; doi:10.3390/sym2020907 OPEN ACCESS symmetry ISSN 2073-8994 /journal/symmetry Article Study of Dynamical Chiral Symmetry Breaking in (2 + 1) Dimensional Abelian Higgs Model Jian-Feng Li 1, Shi-Song Huang 2, Hong-Tao Feng 3, Wei-Min Sun 1,4 and Hong-Shi Zong 1,4, 1 Department of Physics, Nanjing University, Nanjing 210093, China 2 Department of Physics, Nanjing Normal University, Nanjing 210097, China 3 Department of Physics, Southeast University, Nanjing 211189, China 4 Joint Center for Particle, Nuclear Physics and Cosmology, Nanjing 210093, China Author to whom correspondence should be addressed; E-Mail: zonghs@. Received: 5 October 2009; in revised form: 10 April 2010 / Accepted: 15 April 2010 / Published: 19 April 2010 Abstract: In this paper, we study the dynamical mass generation in the Abelian Higgs model in 2 + 1 dimensions. Instead of adopting the approximations in [Jiang H et al., J. Phys. A 41 2008 255402.], we numerically solve the coupled Dyson–Schwinger Equations (DSEs) for the fermion and gauge boson propagators using a speciﬁc truncation for the fermion-photon vertex ansatz and compare our results with the corresponding ones in the above mentioned paper. It is found that the results quoted in the above paper remain qualitatively unaffected by reﬁning the truncation scheme of the DSEs, although there exist large quantitative differences between the results presented in the above paper and ours. In addition, our numerical results show