Nature of the spin-glass state in the three-dimensional gauge glass
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We present results from simulations of the gauge-glass model in three dimensions using the parallel tempering Monte Carlo technique. Critical fluctuations should not affect the data since we equilibrate down to low temperatures, for moderate sizes. Our results are qualitatively consistent with earlier work on the three- and four-dimensional Edwards-Anderson Ising spin glass. We find that large-scale excitations cost only a finite amount of energy in the thermodynamic limit and that those excitations have a surface whose fractal dimension is less than the space dimension, consistent with a scenario proposed by Krzakala and Martin, and Palassini and Young. © 2001 The American Physical Society.
author list (cited authors)
Katzgraber, H. G., & Young, A. P.