Dynamical AC study of the critical behavior in Heisenberg spin glasses. Picco, M. & Ritort, F. Physical Review B, 71(10):7, 2004. Paper abstract bibtex We present some numerical results for the Heisenberg spin-glass model with Gaussian interactions, in a three dimensional cubic lattice. We measure the AC susceptibility as a function of temperature and determine an apparent finite temperature transition which is compatible with the chiral-glass temperature transition for this model. The relaxation time diverges like a power law tausim (T-Tc) -znu with Tc=0.19(4) and znu=5.0(5). Although our data indicates that the spin-glass transition occurs at the same temperature as the chiral glass transition, we cannot exclude the possibility of a chiral-spin coupling scenario for the lowest frequencies investigated.
@article{Picco2004a,
abstract = {We present some numerical results for the Heisenberg spin-glass model with Gaussian interactions, in a three dimensional cubic lattice. We measure the AC susceptibility as a function of temperature and determine an apparent finite temperature transition which is compatible with the chiral-glass temperature transition for this model. The relaxation time diverges like a power law tausim (T-Tc) -znu with Tc=0.19(4) and znu=5.0(5). Although our data indicates that the spin-glass transition occurs at the same temperature as the chiral glass transition, we cannot exclude the possibility of a chiral-spin coupling scenario for the lowest frequencies investigated.},
author = {Picco, Marco and Ritort, Felix},
file = {:Users/marco/Library/Application Support/Mendeley Desktop/Downloaded/Picco, Ritort - 2004 - Dynamical AC study of the critical behavior in Heisenberg spin glasses.pdf:pdf},
journal = {Physical Review B},
number = {10},
pages = {7},
title = {{Dynamical AC study of the critical behavior in Heisenberg spin glasses}},
url = {http://arxiv.org/abs/cond-mat/0405308},
volume = {71},
year = {2004}
}
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