The Mean-plaquette Internal Energy for SU(3) Gauge Theory in Cumulant Expansion

  • Cumulant expansion is used to calculate the mean plaquette internal energy for the d-dimensional SU(3) gauge theory. We use the methods of series expansion and steepest descent to calculate the SU(3) one-link invariant group integral. These two methods agree accurately with each other. The results show that the cumulant expansion is effective for 3-dimensional lattice gauge theory.
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Chen Qizhou, Liu Jinming, Xue Xun, Zheng Weihong and Guo Shuohong. The Mean-plaquette Internal Energy for SU(3) Gauge Theory in Cumulant Expansion[J]. Chinese Physics C, 1989, 13(S4): 371-378.
Chen Qizhou, Liu Jinming, Xue Xun, Zheng Weihong and Guo Shuohong. The Mean-plaquette Internal Energy for SU(3) Gauge Theory in Cumulant Expansion[J]. Chinese Physics C, 1989, 13(S4): 371-378. shu
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Received: 1989-01-03
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    This work was supported in part by the Science Fund of the Chinese Education Committee and by the Foundation of Zhongshan University Advanced Research Center.

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The Mean-plaquette Internal Energy for SU(3) Gauge Theory in Cumulant Expansion

  • Department of Physics, Zhongshan University, Guangzhou
Fund Project:  This work was supported in part by the Science Fund of the Chinese Education Committee and by the Foundation of Zhongshan University Advanced Research Center.

Abstract: Cumulant expansion is used to calculate the mean plaquette internal energy for the d-dimensional SU(3) gauge theory. We use the methods of series expansion and steepest descent to calculate the SU(3) one-link invariant group integral. These two methods agree accurately with each other. The results show that the cumulant expansion is effective for 3-dimensional lattice gauge theory.

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