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Microcanonical determination of the interface tension of flat and curved interfaces from Monte Carlo simulations
Journal of Physics: Condensed Matter
The investigation of phase coexistence in systems with multi-component order parameters in finite systems is discussed, and as a generic example, Monte Carlo simulations of the two-dimensional q-state Potts model (q=30) on LxL square lattices (40<=L<=100) are presented. It is shown that the microcanonical ensemble is well-suited both to find the precise location of the first order phase transition and to obtain an accurate estimate for the interfacial free energy between coexisting ordered anddoi:10.1088/0953-8984/24/28/284107 pmid:22738832 fatcat:75xkkwh2dbbsngxpwqrmembj54