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Abstract
We present results from Monte Carlo simulations of the two- and
three-dimensional gauge glass at low temperature
using the parallel tempering Monte Carlo method. Our results in two dimensions
strongly support the transition being at T_c = 0. A finite-size scaling
analysis, which works well only for the larger sizes and lower temperatures,
gives the stiffness exponent theta = -0.39 +/- 0.03. In three dimensions
we find theta = 0.27 +/- 0.01, compatible with recent results from domain
wall renormalization group studies.
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