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Phase transition analysis in Z2 and U(1) lattice gauge theories |
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| Authors: | M. Falcioni E. Marinari M.L. Paciello G. Parisi B. Taglienti |
| Affiliation: | 1. Instituto Nazionale di Fisica Nucleare, Sezione di Roma, Rome, Italy;2. Instituto di Fisica G. Marconi, Università di Roma, Rome, Italy;3. Instituto di Fisica, Facoltà di Ingegneria, Università di Roma, Rome, Italy |
| Abstract: | The transition region of Z2 lattice gauge theory is investigated by inverting the strong coupling series of the average plaquette energy EP(J). We find a clear evidence for a first-order transition and the existence of a metastable phase. In the U(1) case we confirm a second-order phase transition even if there is a little discrepancy on the critical point position as indicated by Monte Carlo simulations. |
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