Spin Wave Spectrum in the Spin-Spiral State of Ferromagnetic Superconductors
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概要
- 論文の詳細を見る
Effective interaction between localized magnetic moments in ferromagneticsuperconductors is studied microscopically by tak.ing account of the interplayamong the electromagnetic field, persistent curr?:nt and magnetic moments.The obtained effective exchange coupliutg Jjj(q) can stabilize the spin-spiralordering with a finite wave number Q, which coexi:sts with superconductivity. Byusing this J,j(q), the spin wave spectrum Itco. in the: spin-spiral state is calcttlatedat zero temperature. Reflecting a characteristic ants,otropy of Jjj(q), Icta. dependsstrongly on the direction of qz for q//Q it has a promine?at peak at q?Q, btat thepeak vanishes as q deviates from the Q direction. It is also shown that Icta. hasmany energy gajcs characteristic of the naagnaetic superconductor.
- 社団法人日本物理学会の論文
- 1980-12-15
著者
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高橋 正氣
岩手大
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KOYAMA TOMIO
Department of Thoracic Surgery, Oogaki Municipal Hospital
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Takahashi Saburo
Institute For Materials Research Tohoku University
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Kotani Akio
Department Of Physics Faculty Of Science Osaka University
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Kotani Akio
The Research Institute For Iron Steel And Other Metals Tohoku University
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TAKAHASHI Saburo
The Research Institute for Iron,Steel and Other Metals,Tohoku University
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TACHIKI Masashi
The Research Institute for Iron,Steel and Other Metals,Tohoku University
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MATSUMOTO Hideki
Department of Physics,The University of Alberta
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UMEZAWA Hiroomi
Department of Physics,The University of Alberta
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Tachiki M
Tohoku Univ. Sendai Jpn
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Tachiki Masashi
The Research Institute For Iron Steel And Other Metals
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Matsumoto Hideki
Department Of Physics The University Of Alberta
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Takahashi Saburo
The Research Institute For Iron Steel And Other Metals Tohoku University
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Koyama Tomio
Department Of Cardiology Ogaki Municipal Hospital
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Umezawa Hiroomi
Department Of Physics The University Of Alberta
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Matsumoto Hideki
Department Of Anatomy Nara Medical University
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Matsumoto Hideki
Department Applied Physics Seikei University:(present Address)institute Of Physics University Of Tsu
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Tachiki Masashi
Institute for Materials Research, Tohoku University
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