Local Current Distribution in the Presence of Nonequilibrium Distribution of Edge States
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概要
- 論文の詳細を見る
Local current distribution in the presence of nonequilibrium distribution between different edge states in a quantum Hall effect regime is theoretically studied by explicitly taking into account extra charge added into edge states. The extra charges produce a Hall electric field that induces Hall current I_H. Total current is the sum of I_H and the chemical-potential edge current I_<CE> carried by the extra charges themselves. The calculation shows that ICE<<I_H. When the local current distribution is represented by a "response current density j_R," it generally spreads out into the interior region of a conductor, while its amplitude increases as the sample boundaries are approached. When the local current distribution is represented by a "Fermi-surface current density j_F," it is strictly localized at the edge states.
- 社団法人応用物理学会の論文
- 1995-08-30
著者
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Hirai Hiroshi
Department Of Gerontology Kanazawa Medical University
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Komiyama Susumu
Department Of Basic Science University Of Tokyo
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Hirai Hiroshi
Department Of Pure And Applied Sciences University Of Tokyo
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