Nuclear Spin-Lattice Relaxation in One-Dimensional Heisenberg Ferrimagnets : Three-Magnon vs Raman Processes(Condensed Matter : Electronic Structure, Electrical, Magnetic and Optical Properties)
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概要
- 論文の詳細を見る
Nuclear spin-lattice relaxation in one-dimensional Heisenberg ferrimagnets is studied in terms of a modified spin-wave theory. We consider the second-order process, where a nuclear spin flip induces virtual spin waves which are then scattered thermally via the four-magnon exchange interaction, as well as the first-order process, where a nuclear spin directly interacts with spin waves via the hyperfine interaction. We point out a possibility of the three-magnon relaxation process predominating over the Raman one and suggest model experiments.
- 社団法人日本物理学会の論文
- 2004-06-15
著者
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YAMAMOTO Shoji
Division of Physics, Hokkaido University
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Yamamoto S
Division Of Physics Hokkaido University
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HORI Hiromitsu
Division of Physics, Hokkaido University
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Hori Hiromitsu
Division Of Physics Hokkaido University
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Yamamoto Shoji
Division Of Physics Hokkaido University
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