Thermodynamic Properties of Anisotropic Two-Dimensional Sine-Gordon Lattice:Molecular-Dynamics Calculations
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概要
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NMR of "F with no magnetic near neighbors (F.) in the diluted antiferromagnetMn....Zn.... F. was used to study "random-field" effects on the critical behavior.From the temperature dependence of (1/7'.), for fields applied parallel and per-pendicular to the easy (c) axis, it was found that the transition temperature T.depressed substantially with field only for H. II c. The fic+ld dependence of AT. = T: - 7'.is in general accord with the theory for random-field effects in disordered, anisotropicantiferromagnets, AT.och"', where h=jtH./kT.. Th<: value determined for the shiftexponent :=1.38 -F- 0.2 is in reasonable agreement with the prediction cat Th 1.25.
- 社団法人日本物理学会の論文
- 1981-04-15
著者
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NAKAYAMA Tsuneyoshi
Department of Applied Physics, Hokkaido University
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Yoshida Fumio
Department Of Engineering Science Hokkaido University:hitachi Micro-computer Engineering
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Nakayama Tsuneyoshi
Department Of Applied Phusics Faculty Of Engineering Hokkaido University
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OKWAMOTO Yukio
Department of Engineering Science,Faculty of Engineering,Hokkaido University
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Okwamoto Yukio
Department Of Engineering Science Faculty Of Engineering Hokkaido University
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Yoshida Fumio
Department Of Engineering Science Faculty Of Engineering Hokkaido University
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Nakayama Tsuneyoshi
Department of Engineering Science,Hokkaido University
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OKWAMOTO Yukio
Department of Engineering Science,Hokkaido University
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