Phys. Rev. B 45, 7547–7550 (1992)Numerical study of vortex-glass order in random-superconductor and related spin-glass models
A model of disordered superconducting grains in a strong magnetic field, a related random-gauge glass model, and two versions of an XY spin-glass model with random spin-orbit interactions are discussed. Results from an extensive zero-temperature finite-size scaling study of the defect-wall energy are presented to show that these four models probably belong to a new spin-glass universality class and that the lower critical dimension for a vortex-glass transition at nonzero temperature in these models is slightly below three dimensions. © 1992 The American Physical Society URL:
http://link.aps.org/doi/10.1103/PhysRevB.45.7547
DOI:
10.1103/PhysRevB.45.7547
PACS:
74.60.Ec, 74.60.Ge, 75.10.Nr, 75.50.Kj
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