Spin-Orbit Interaction in Two Dimensiomal Systems in InAs n-Inversion Layers
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概要
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Negative magnetoconductance has been observed in n-inven'sion layers of Inks attemperatures between 1.05 and 77 K in magnetic fields up to 1.5 T. The experimentalmagnetoconductance in parallel magnetic fields is well reproduced using the localiza-tion theory with the spin-orbit interaction of Maekawa and Fukuyama. The relaxalion time of inelastic scattering r. is 1.5X10 "s at 77K, and the temperaturedependence of r, is expressed as r.cx T "'. The relaxation time of the spin-orbit interaction is 8 X 10 " s, and is independent of the temperature. However, the theorycannot reproduce the experimental magnetoconductance in a perpendicular field.This discrepancy shows that the theory should take the anisotropy of spin-orbit in-teraction into account.
- 社団法人日本物理学会の論文
- 1987-04-15
著者
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Kawaji Shinji
Department Of Physics And Chemistry Gakushuin University
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Kawaguchi Yoichi
Gakushuin Women's Junior College
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TAKAYANAGI Isao
Department of Physics,Gakushuin University
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Takayanagi Isao
Department Of Physics Gakushuin University
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