Vortex glass transition in a frustrated 3D XY model with disorder

Abstract

The anisotropic frustrated three dimensional (3D) XY model with disorder in the coupling constants is simulated as a model of a point disordered superconductor in an applied magnetic field. From a finite size scaling analysis of the helicity modulus it is concluded that the data is consistent with a finite temperature transition with isotropic scaling and the correlation length exponent is found to be ν=1.50+/-0.12, consistent with 3D gauge glass universality.

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