Chinese Physics C > 1996, Vol. 20 > Issue(S1): 47-54

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

Institute of High Energy Physics, The Chinese Academy of Sciences, Beijing, China

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Abstract：
The plaquette internal energy E _pof U(1) lattice gauge theory (LGT) in three dimensions is calculated using the variational cumulant expansion (VCE) with the independent plaquette effective action. The E _p- βcurve is continuous, which shows that the U(l) theory is confined. Our result is consistent with Monte Carlo (MC) data.
- lattice gauge theory,
- variational cumulant expansion,
- internal energy,
- 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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沈阳化工大学材料科学与工程学院沈阳 110142

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

Zhao Peiying
Wu Jimin

Institute of High Energy Physics, The Chinese Academy of Sciences, Beijing, China

Received Date:1995-03-10

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 energyE_pofU(1) lattice gauge theory (LGT) in three dimensions is calculated using the variational cumulant expansion (VCE) with the independent plaquette effective action. TheE_p-βcurve is continuous, which shows that theU(l) theory is confined. Our result is consistent with Monte Carlo (MC) data.