Electron Lifetime in Armchair Carbon Nanotubes(Condensed Matter : Electronic Structure, Electrical, Magnetic and Optical Properties)

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概要

• 論文の詳細を見る

• 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.

• 社団法人日本物理学会の論文
• 2004-11-15

著者

• Lin M

  Department Of Physics National Cheng Kung University

• Chiu C.

  Center For General Education Tainan Woman's College Of Arts And Technology

• CHANG C.

  Center for General Education, Tainan Woman's College of Arts and Technology

• CHUU D.

  Department of Electrophysics, National Chiao Tung University

• LIN M.

  Department of Physics, National Cheng Kung University

• CHIU C.

  Department of Physics, National Cheng Kung University

• SHYU F.

  Department of Physics, Chinese Military Academy

• Lin M.

  Department Of Physics National Cheng Kung University:national Center For Theoretical Sciences

• Chiu C.

  Department Of Physics National Cheng Kung University

• Chuu D.

  Department Of Electrophysics National Chiao Tung University

• Shyu F

  Department Of Physics Chinese Military Academy

• Chang C.

  Center For General Education Tainan University Of Technology:national Center For Theoretical Science

• Shyu F.

  Department Of Physics Chinese Military Academy

• Lin M.

  Department Of Electrical Engineering National Tsing Hua University

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