Deconfinement Phase Transition in a 3D Nonlocal U(1) Lattice Gauge Theory

Details Deconfinement Phase Transition in a 3D Nonlocal U(1) Lattice Gauge Theory Deconfinement Phase Transition in a 3D Nonlocal U(1) Lattice Gauge Theory

2005-02-01

arxiv.org/abs/hep-th/0502013v3

Phys.Rev.Lett. 94 (2005) 211601

Physics

High Energy Physics

High Energy Physics - Theory

4 pages, 5 figures, typos corrected

Scientific paper

10.1103/PhysRevLett.94.211601

We introduce a 3D compact U(1) lattice gauge theory having nonlocal interactions in the temporal direction, and study its phase structure. The model is relevant for the compact QED$_3$ and strongly correlated electron systems like the t-J model of cuprates. For a power-law decaying long-range interaction, which simulates the effect of gapless matter fields, a second-order phase transition takes place separating the confinement and deconfinement phases. For an exponentially decaying interaction simulating matter fields with gaps, the system exhibits no signals of a second-order transition.

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