10476

Phase Transition in 3d Heisenberg Spin Glasses with Strong Random Anisotropies, through a Multi-GPU Parallelization

M. Baity-Jesi, L.A. Fernandez, V. Martin-Mayor, J.M. Sanz
Departamento de Fisica Teorica I, Universidad Complutense, 28040 Madrid, Spain
arXiv:1309.1599 [cond-mat.dis-nn], (6 Sep 2013)

@article{2013arXiv1309.1599B,

   author={Baity-Jesi}, M. and {Fernandez}, L.~A. and {Martin-Mayor}, V. and {Sanz}, J.~M.},

   title={"{Phase Transition in 3d Heisenberg Spin Glasses with Strong Random Anisotropies, through a Multi-GPU Parallelization}"},

   journal={ArXiv e-prints},

   archivePrefix={"arXiv"},

   eprint={1309.1599},

   primaryClass={"cond-mat.dis-nn"},

   keywords={Condensed Matter – Disordered Systems and Neural Networks},

   year={2013},

   month={sep},

   adsurl={http://adsabs.harvard.edu/abs/2013arXiv1309.1599B},

   adsnote={Provided by the SAO/NASA Astrophysics Data System}

}

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We characterize the phase diagram of anisotropic Heisenberg spin glasses, finding both the spin and the chiral glass transition. We remark the presence of strong finite-size effects on the chiral sector. We find a unique phase transition for the chiral and spin glass sector, in the Universality class of Ising spin glasses. We focus on keeping finite-size effects under control, and we stress that they are important to understand experiments. Thanks to large GPU clusters we have been able to thermalize cubic lattices with up to 64x64x64 spins, over a vast range of temperatures.
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