Exciton Motion in Antiferromagnets
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概要
- 論文の詳細を見る
The motion of an exciton in antiferromagnets is investigated by using themagnon approximation. It is shown that nature of the motion va.ries with theratio of F. -f-ZF. to the exciton band width K"', where T. represen1.s the fluctua-tion of the exciton energy, 13 the transition probability betweern the nearestneighbor intersublattice pair and Z the coordination number. It is found thatf. and T. increase as T'. At low temperatures, where T.-fZF.<<If"', excitonmoves coherentlv on one sublattice and at hiuh temr>eratures where fo-l-Zft>>K "', it moves diffusively on both sublattices.
- 社団法人日本物理学会の論文
- 1980-04-15
著者
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Tanabe Yukito
Department Of Applied Physics Faculty Of Engineering The University Of Tokyo
-
Tanabe Y
Department Of Applied Physics University Of Tokyo
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Ueda Kazuo
Department Of Acoustic Design Kyushu Institute Of Design
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Ueda Kazuo
Department Of Applied Physics The University Of Tokyo
-
Tanabe Yukito
Department of Applied Physics,The University of Tokyo
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