作者: R F Angulo , J F Fernandez
DOI: 10.1088/0022-3719/20/10/018
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摘要: The authors have carried out Monte Carlo simulations of a system classical three-dimensional spins interacting with their nearest neighbours in FCC lattice. Spins randomly occupy one half the lattice sites and interact via antiferromagnetic Heisenberg exchange as well quenched, random Dzyaloshinskii-Moriya (DM) anisotropy. They calculate relaxation times ( tau ) against temperature (T) range 0.25