J D Reger and A P Young 1993 J. Phys. A: Math. Gen. 26 L1067 doi:10.1088/0305-4470/26/20/002
J D Reger and A P Young
Show affiliationsWe describe results of Monte Carlo simulations on a model that seems to have the necessary ingredients to describe a disordered type-II superconductor in a magnetic field. We compute the free energy cost to twist the direction of the phase of the condensate and analyse the results by finite-size scaling. The results show convincingly that the model has different behaviour as a function of dimension: in d=4 the model clearly has a finite transition temperature; Tc, while for d=2 only there is only a transition at T=0.
74.25.Qt Vortex lattices, flux pinning, flux creep
74.25.Op Mixed states, critical fields, and surface sheaths
74.25.Bt Thermodynamic properties
61.43.Bn Structural modeling: serial-addition models, computer simulation
82B80 Numerical methods (Monte Carlo, series resummation, etc.) (See also 65-XX, 81T80)
Issue 20 (21 October 1993)
J D Reger and A P Young 1993 J. Phys. A: Math. Gen. 26 L1067
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