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Phase Structure of U(1) Lattice Gauge Theory by Variational Study with Independent Plaquette Effective Action
Authors:Zhao Peiying  Wu Jimin
Affiliation: Institute of High Energy Physics,The Chinese Academy of Sciences,Beijing 100039
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.
Keywords:
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