Phase structure of U(1) models with mixed actions |
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| Authors: | D Horn M Karliner E Katznelson S Yankielowicz |
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| Institution: | Department of Physics and Astronomy, Tel Aviv University, Ramat Aviv, Israel;CERN, Geneva, Switzerland |
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| Abstract: | We study PQED using an action which is the admixture of two terms with different periodicities. The Villain form of this action is rewritten as a Coulomb gas of two kinds of magnetic loops and one electric loop. Novel features of such models are the existence of partial confinement phases and a two-photon phase. Phase diagrams are obtained by naive condensate considerations and by Monte Carlo calculations. |
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