Phase Diagrams of Spin-3/2 Ising Model on a Square Lattice in Terms of Corner Transfer Matrix Renormalization Group Method
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概要
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XVe obtain phase diagrarns of a spin-3/2 Ising naodel on a sqtrare lattice by using a cornertransfer naatrix ren,>rnaalization grotrp taaethod. XVe find that three phases appear in the phasediagranus; they are the ferroztaagnetic(FIVI) phase, the parataaagnetic(PIVI) phase and a ferrirnagnetic(Fl) phase. It ttrrns otrt that a tricritical point appears in a region of space spanned byparanaeters of' covrpling constants and the teutaperattrre. We estiunate values of critical exponentv and Q at a transition tenaperattrre between the F[V[ phase and the PIVI phase, at that betweenthe Fl phase and the FIVI phase, and also at that betxveen the Fl phase and the PNI phase, byusing the finite size scaling analysis.
- 社団法人日本物理学会の論文
- 1998-05-15
著者
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Horiguchi Tsuyoshi
Depertment Of Computer And Mathematical Sciences Graduate School Of Information Sciences Tohoku Univ
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Horiguchi Tsuyoshi
Department Of Applied Science Faculty Of Engineering Tohoku University
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TSUSHIMA Norihiro
Department of Computer and Mathematical Science,Graduate School of Information Sciences,Tohoku Unive
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Tsushima Norihiro
Depertment Of Computer And Mathematical Sciences Graduate School Of Information Sciences Tohoku Univ
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HORIGUCHI Tsuyoshi
Department of Computer and Mathematical Science,Graduate School of Information Sciences,Tohoku University
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