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- Chiu C. W.
- Department of Physics, National Cheng Kung University
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- Shyu F. L.
- Department of Physics, Chinese Military Academy
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- Chang C. P.
- Center for General Education, Tainan Woman’s College of Art and Technology
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- Chuu D. S.
- Department of Physics, National Chiao Tung University
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- Lin M. F.
- Department of Physics, National Cheng Kung University
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抄録
The excited conduction electrons in metallic armchair carbon nanotubes can decay by inelastic electron–electron scattering. The deexcitation channels include the single-particle and collective excitations of different angular momenta. The higher conduction subbands have more deexcitation channels, or shorter electron lifetimes. Each conduction subband has certain states with very long lifetimes, and a simple relationship between the inverse electron lifetime and the state energy is absent. Such results directly reflect the characteristics of the 1D excitation spectra. The inverse electron lifetime contrasts sharply with those of semiconducting carbon nanotubes, graphite, and 2D and 3D metallic systems. Dimensionalities play an important role in the many-body effects. The predicted results could be verified by femtosecond time-resolved optical spectroscopy.
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 73 (11), 2936-2939, 2004
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
- 1390001204187370368
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- NII論文ID
- 110001979234
- 130004538613
- 210000105121
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- NII書誌ID
- AA00704814
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- BIBCODE
- 2004JPSJ...73.2936C
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- ISSN
- 13474073
- 00319015
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- NDL書誌ID
- 7156559
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- 本文言語コード
- en
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- データソース種別
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- JaLC
- NDL
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- CiNii Articles
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- 使用不可