Two Renormalization Approaches for the Dyson-Schwinger Equations in the Infrared

  • Two renormalization approaches: the analytic continuation approach and the subtraction approach, are used to obtain the infrared behavior of gluon and ghost propagators in the coupled gluon and ghost Dyson-Schwinger equations,where the three-gluon and gluon-ghost vertices are taken to be bare. The results show that the two renormalization approaches give the same results in the infrared analysis of propagators.
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SHI Yuan-Mei, PING Jia-Lun and HE Han-Xin. Two Renormalization Approaches for the Dyson-Schwinger Equations in the Infrared[J]. Chinese Physics C, 2006, 30(9): 833-837.
SHI Yuan-Mei, PING Jia-Lun and HE Han-Xin. Two Renormalization Approaches for the Dyson-Schwinger Equations in the Infrared[J]. Chinese Physics C, 2006, 30(9): 833-837. shu
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Received: 2005-12-20
Revised: 2006-03-17
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Two Renormalization Approaches for the Dyson-Schwinger Equations in the Infrared

    Corresponding author: PING Jia-Lun,
  • Department of Physics and Institute of Theoretical Physics, Nanjing Normal University, Nanjing 210097, China2 School of Physics and Microelectronics, Shandong University, Jinan 250100, China3 China Institute of Atomic Energy, Beijing 102413, China

Abstract: Two renormalization approaches: the analytic continuation approach and the subtraction approach, are used to obtain the infrared behavior of gluon and ghost propagators in the coupled gluon and ghost Dyson-Schwinger equations,where the three-gluon and gluon-ghost vertices are taken to be bare. The results show that the two renormalization approaches give the same results in the infrared analysis of propagators.

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