Accurate calculations of U(1) lattice gauge theory

S. J. Baker, R. F. Bishop, N. J. Davidson

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    We apply the powerful coupled cluster method (CCM) to the U(1) lattice gauge model in 2+1 dimensions, using as a reference state for our analysis a self-consistent "mean-field" state which includes a large class of one-body correlations. We consider up to local two-body correlations and obtain results which are on a par with those from the best alternative techniques. Our results strongly indicate that the ground state of the U(1) system in 2+1 dimensions is rather weakly correlated.
    Original languageEnglish
    Pages (from-to)834-837
    Number of pages4
    JournalNuclear Physics B (Proceedings Supplements)
    Publication statusPublished - 1997


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