Magnon Pumping by a Time-Dependent Transverse Magnetic Field in Ferromagnetic Insulators
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The magnon pumping effect in ferromagnetic insulators under an external time-dependent transverse magnetic field is theoretically studied. Generation of a magnon current is discussed by calculating the magnon source term in the spin continuity equation. This term represents the non-conservation of magnons arising from an applied transverse magnetic field. The magnon source term has a resonance structure as a function of the angular frequency of the transverse field, and this fact is useful to enhance the pumping effect.
収録刊行物
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- Journal of the Physical Society of Japan
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Journal of the Physical Society of Japan 80 2011-04
The Physical Society of Japan
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詳細情報 詳細情報について
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- CRID
- 1050282677042672640
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- NII論文ID
- 120003103747
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- NII書誌ID
- AA00704814
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- ISSN
- 00319015
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- HANDLE
- 2433/141921
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- NDL書誌ID
- 11075210
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- 本文言語コード
- en
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- 資料種別
- journal article
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- データソース種別
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- IRDB
- NDL
- CiNii Articles