Phase Structure of U(l) Lattice Gauge Theory by Variational Study with Independent Plaquette Effective Action

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Zhao Peiying and Wu Jimin. Phase Structure of U(l) Lattice Gauge Theory by Variational Study with Independent Plaquette Effective Action[J]. Chinese Physics C, 1996, 20(S1): 47-54.
Zhao Peiying and Wu Jimin. Phase Structure of U(l) Lattice Gauge Theory by Variational Study with Independent Plaquette Effective Action[J]. Chinese Physics C, 1996, 20(S1): 47-54. shu
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Received: 1995-03-10
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    Supported by the National Natural Science Foundation of China and the Science Foundation of the Chinese Academy of Sciences.

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Phase Structure of U(l) Lattice Gauge Theory by Variational Study with Independent Plaquette Effective Action

  • Institute of High Energy Physics, The Chinese Academy of Sciences, Beijing, China
Fund Project:  Supported by the National Natural Science Foundation of China and the Science Foundation of the Chinese Academy of Sciences.

Abstract: The plaquette internal energy Ep of U(1) lattice gauge theory (LGT) in three dimensions is calculated using the variational cumulant expansion (VCE) with the independent plaquette effective action. The Ep-β curve is continuous, which shows that the U(l) theory is confined. Our result is consistent with Monte Carlo (MC) data.

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