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Worm algorithms for the 3-state Potts model with magnetic field and chemical potential |
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| Authors: | Ydalia Delgado Mercado Hans Gerd Evertz Christof Gattringer |
| Affiliation: | 1. Centre de Recherche en Astronomie, Astrophysique & Géophysique-Observatoire d''Alger, Alger, Algeria;2. Géosciences Rennes, CNRS/INSU (UMR 6118) & Université Rennes1, Rennes, France;3. Institut de Physique du Globe Paris, Sorbonne Paris Cité Univ, Paris Diderot & UMR 7154 CNRS, Saint Maur des Fossés, France |
| Abstract: | We discuss worm algorithms for the 3-state Potts model with external field and chemical potential. The complex phase problem of this system can be overcome by using a flux representation where the new degrees of freedom are dimer and monomer variables. Working with this representation we discuss two different generalizations of the conventional Prokof’ev–Svistunov algorithm suitable for Monte Carlo simulations of the model at arbitrary chemical potential and evaluate their performance. |
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