Sinusoidal and Helical Spin Density Wave States in Transition Metals
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概要
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The difference between sinusoidal and helical spin density wave states is discussed in referenceto these states of chromium and fcc iron. The relative stability between these states against themagnitude of local magnetic moments is investigated. It is shown that for chromium the stablespin density wave state changes from a sinusoidal one to a helical one as the magnitude of localmagnetic moments becomes large while for fcc iron the stable spin density wave state is always ahelical one. The effect of charge modulation associated with sinusoidal spin density wave on thestability is further investigated. It is shown that the charge modulation stabilizes the sinusoidalspin density wave state. The difference in electronic structure between sinusoidal and helicalspin density wave states is also elucidated.
- 社団法人日本物理学会の論文
- 1996-02-15
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関連論文
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