Vortex glass transition in a frustrated 3D XY model with disorder.
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. A finite size scaling analysis of the helicity modulus gives strong evidence for a finite temperature transition with isotropic scaling and the correlation length exponent nu=1.5+/-0.3, consistent with 3D gauge glass universality.
Olsson
Peter
P
Department of Physics, Umeå University, 901 87 Umeå, Sweden.