Phase Transition of Three-Dimensional Site-Random Ising Model with Short-Range Interactions
Phase Transition of Three-Dimensional Site-Random Ising Model with Short-Range Interactions
复制标题
具有短程相互作用的三维位点随机分布模型的相变
DOI:
10.1143/jpsj.62.3007
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发表时间:
1993
影响因子:
1.7
通讯作者:
F. Matsubara
中科院分区:
文献类型:
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作者:
T. Shirakura;F. Matsubara
We study a short-range site-random Ising model in three dimensions (3D) using a Monte Carlo (MC) method and find a phase transition to a spin glass (SG) phase at a very high temperature ( T c ≃2.83 J). Values of the critical exponents estimated from a finite-size scaling analysis are different from those in both the 3D\(\mp J\) Ising model and the 3D Ising ferromagnet. We suggest that the SG phase in this model is a new SG phase which is characterized by a nonzero SG order parameter q ≠0.
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