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- Izumida Wataru
- Tarucha Mesoscopic Correlation Project, ERATO, JST, 4S-308S, NTT Atsugi Research and Development Center, Atsugi-shi, Kanagawa 243-0198
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- Sakai Osamu
- Department of Physics, Tokyo Metropolitan University, Tokyo 192-0397
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- Suzuki Syunya
- Department of Physics, Tohoku University, Sendai 980-8578
書誌事項
- タイトル別名
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- Kondo Effect in Tunneling through a Quantum Dot.
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説明
Systematic calculation of tunneling conductance through a quantum dot, which has a single localized orbital, is carried out by using the numerical renormalization group method. In strongly correlated case, two paired Coulomb oscillation peaks grow without large increase of their width as the temperature decreases. At the same time the peak positions shift to their central side. This behavior corresponds well with the recent experimental data, and then suggests that the Kondo effect takes place at low temperatures in the experiment. Theoretically the conductance in valley region between the two peaks gradually increases, and the peaks merge into a broad single peak as the temperature further decreases. This behavior has not been observed in the experiment. The estimated Kondo temperature for the valley region is still much less than the lowest temperature in the experiment.
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 70 (4), 1045-1053, 2001
一般社団法人 日本物理学会
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詳細情報 詳細情報について
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- CRID
- 1390282679159842944
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- NII論文ID
- 110001979000
- 210000103002
- 130004537809
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- NII書誌ID
- AA00704814
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- BIBCODE
- 2001JPSJ...70.1045I
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- ISSN
- 13474073
- 00319015
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- NDL書誌ID
- 5802141
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- 本文言語コード
- en
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