Lattice Instability in Metallic Carbon Nanotubes
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概要
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A lattice instability toward in-plane Kekule and out-of-plane distortions is studied in metallic carbon nanotubes in both k・p approximation and tight-binding model. The k・p model Hamiltonian is given by Dirac's relativistic equation in the presence of distortion. The resulting gap equation is solved analytically in the presence of an Aharonov-Bohm magnetic flux through the cross section of nanotube, leading to the conclusion that the in-plane and out-of-plane distortions cannot coexist. A tight-binding model gives results in excellent agreement with k・p results and justifies the k・p model Hamiltonian.
- 社団法人日本物理学会の論文
- 1994-08-15
著者
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Ando Tsuneya
Institute For Solid State Physics University Of Tokyo
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Viet Ai
Institute For Solid State Physics University Of Tokyo
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Ajiki Hiroshi
Institute For Solid State Physics University Of Tokyo
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Ando Tsuneya
Institute For Solid State Physics The University Of Tokyo
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Ando Tsuneya
Institute For Solic State Physics University Of Tokyo
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Viet Nguyen
Institute for Solid State Physics, University of Tokyo
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