Multimagnetical Simulations
U. Hansmann, B. A. Berg, T. Neuhaus
Abstract
We modified the recently proposed multicanonical MC algorithm for the case of a magnetic field driven order--order phase transition. We test this multimagnetic Monte Carlo algorithm for the D=2 Ising model at β=0.5 and simulate square lattices up to size 100 × 100. On these lattices with periodic boundary conditions it is possible to enhance the appearance of order-order interfaces during the simulation by many orders of magnitude as compared to the standard Monte Carlo simulation.
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