A Calculation of the Spin Wave Energy in fcc Fe-Ni Alloys
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概要
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An expression of the exchange stiffness constant of spin waves in disorderedferromagnetic alloys is obtained in the combined approximation of the randomphase approximation and the coherent potential approximation. Both the diagonalrandomness and the off-diagonal randomness are taken into account. By usingthe realistic band structures, the exchange stiffness constants in fcc Fe-Ni alloysare calculated numerically. The difference between the observed and calculatedvalues of the exchange stiffness constants in fcc Fe-Ni alloys is attributed to theinter-atomic exchange interaction between d-electrons.
- 社団法人日本物理学会の論文
- 1979-07-15
著者
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Inoue Jun-ichiro
Department Of Applied Physics Nagoya University
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Yamada Hideji
Department Of Applied Physics Faculty Of Engineering Nagoya University
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Shimizu Masao
Department Of Applied Physics Faculty Of Engineering Nagoya University
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Shimizu Masao
Department Of Applied Physics Nagoya University
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Shimizu Masao
Department of Applied Physics,Nagoya University
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Inoue Jun-ichiro
Department of Applied Physics,Nagoya University
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