Physics – Condensed Matter – Disordered Systems and Neural Networks
Scientific paper
2002-05-10
Phys. Rev. B 66, 224507 (2002)
Physics
Condensed Matter
Disordered Systems and Neural Networks
7 pages, 10 figures, submitted to PRB
Scientific paper
10.1103/PhysRevB.66.224507
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.
Katzgraber Helmut G.
Young Patrick A.
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