Magnetic Transition Temperature of (La, Sr)MnO_3
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概要
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Using the Kondo lattice model with classical spins in infinite dimension, magnetic phase transition in the perovskite-type 3d transition-metal oxide La_<1-x>Sr_xMnO_3 is theoretically studied. On the Bethe lattice, the self-consistency equations are solved exactly. Curie temperatures in the region of double-exchange ferromagnetism 0.1≲x≲0.25 as well as the Neel temperature at x=0 are well reproduced quantitatively. Pressure effect on the Curie temperature is also discussed.
- 社団法人日本物理学会の論文
- 1995-08-15
著者
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Furukawa Nobuo
Institute for Solid State Physics, University of Tokyo
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Furukawa Nobuo
Department Of Physics And Mathematics Aoyama Gakuin University:multiferroics Project (mf) Erato Japa
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Furukawa Nobuo
Department Of Physics Aoyama Gakuin University
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Furukawa Nobuo
Institute For Solid State Physics University Of Tokyo
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Furukawa N
Department Of Physics And Mathematics Aoyama Gakuin University:multiferroics Project (mf) Erato Japa
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Furukawa Nobuo
Institute For Sokid State Physics University Of Tokyo
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Furukawa Nobuo
Department Of Physics Aoyama Gakkuin University
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