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Study of compact QED with light fermions |
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| Affiliation: | 1. The Engineering Laboratory of Supercapacitor (Jilin Province), College of Physics, Jilin University, Changchun, 130012, PR China;2. Institute of Carbon Materials Science, Shanxi Datong University, Datong 037009, PR China;1. Institute of Philosophy, Leibniz Universität Hannover, Im Moore 21, 30167 Hannover, Germany;2. Munich Center for Technology in Society, Technische Universität München, Arcisstr. 21, 80333 München, Germany |
| Abstract: | We present a numerical study of compact QED including dynamical fermions of mass = 0.10 (lattice units) on a 64 lattice. Staggered lattice fermions and the Wilson action and mixed gauge actions were studied. The simulations used two modified hybrid methods: one with stochastic fields and the other with deterministic ones. Working with a variable number of flavors we found that the chiral transition which separates the strong and weak coupling phases is of first order in all cases. The strength of these discontinuous transitions increase with the number of flavors. |
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