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EnglishWe study quantum electrodynamics in a (2 1)-dimensional space-time with two flavors of dynamical fermions by numerical simulations on the lattice. We discretize the theory using both the compact and the noncompact formulations and analyze the behavior of the chiral condensate and of the monopole density in the finite lattice regime as well as in the continuum limit. By comparing the results obtained with the two approaches, we draw some conclusions about the possible equivalence of the two lattice formulations in the continuum limit.
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http://hdl.handle.net/11391/22428| Titolo: | QED(3) on a Space-Time Lattice:Compact versus Non-Compact Formulation. |
| Autori interni: | SODANO, Pasquale |
| Data di pubblicazione: | 2005 |
| Rivista: | PHYSICAL REVIEW D |
| Abstract: | We study quantum electrodynamics in a (2 1)-dimensional space-time with two flavors of dynamical fermions by numerical simulations on the lattice. We discretize the theory using both the compact and the noncompact formulations and analyze the behavior of the chiral condensate and of the monopole density in the finite lattice regime as well as in the continuum limit. By comparing the results obtained with the two approaches, we draw some conclusions about the possible equivalence of the two lattice formulations in the continuum limit. |
| Handle: | http://hdl.handle.net/11391/22428 |
| Appare nelle tipologie: | 1.1 Articolo in rivista |
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