The spin glass transition of the three dimensional Heisenberg spin glass

Details The spin glass transition of the three dimensional Heisenberg spin glass The spin glass transition of the three dimensional Heisenberg spin glass

2006-05-12

arxiv.org/abs/cond-mat/0605327v2

Phys. Rev. Lett. 97, 217204 (2006).

Physics

Condensed Matter

Disordered Systems and Neural Networks

4 pages, 4 Postscript figures, version to be published in Physical Review Letters

Scientific paper

10.1103/PhysRevLett.97.217204

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 orderings develop. The Monte Carlo algorithm, adapted from lattice gauge theory simulations, makes 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 allow us to consider scaling corrections.

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