Phase Transition of Three-Dimensional Site-Random Ising Model with Short-Range Interactions
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概要
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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_c6sime ; 2.83 J). Values of the critical exponents estimated from a finite-size scaling analysis are different from those in both the 3D∓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.
- 社団法人日本物理学会の論文
- 1993-09-15
著者
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Shirakura T
Faculty Of Humanities And Social Sciences Iwate University
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MATSUBARA Fumitaka
Department of Applied Physics, Tohoku University
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Shirakura Takayuki
Department of Applied Physics, Tohoku University
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Shirakura Takayuki
Department Of Applied Physics Tohoku University
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Matsubara Fumitaka
Department Of Applied Physics Faculty Of Engineering The University Of Tohoku
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