Spin-glass transition of the three-dimensional Heisenberg spin glass.
It is shown, by means of Monte Carlo simulation and finite size scaling analysis, that the Heisenberg spin glass undergoes a finite-temperature phase transition in three dimensions. There is a single critical temperature, at which both a spin glass and a chiral glass ordering develop. The Monte Carlo algorithm, adapted from lattice gauge theory simulations, makes it possible to thermalize lattices of size L = 32, larger than in any previous spin-glass simulation in three dimensions. High accuracy is reached thanks to the use of the Marenostrum supercomputer. The large range of system sizes studied allows us to consider scaling corrections.
Campos
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Instituto de Biocomputación y Física de Sistemas Complejos (BIFI), Corona de Aragón 42, Zaragoza 50009, Spain.
Cotallo-Aban
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M
Martin-Mayor
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V
Perez-Gaviro
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S
Tarancon
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A