Phase Structure of U(1) Lattice Gauge Theory by Variational Study with Independent Plaquette Effective Action |
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Authors: | Zhao Peiying Wu Jimin |
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Affiliation: | Institute of High Energy Physics,The Chinese Academy of Sciences,Beijing 100039 |
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Abstract: | The average plaquette energy Ep of U(1) Lattice gauge theory in 3 dimensions with an independent plaquette effective action is calculated using the variational cumulant expansion.The E-β curve is continuous,which shows that U(1) theory has only one confine phase.Our result is consistent with Monte Carlo data. |
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