Local Energy Gap in Deformed Carbon Nanotubes(Condensed Matter and Statistical Physics)

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概要

• 論文の詳細を見る

• The effects of graphite surface geometrical deformation on the dynamics of conducting electrons are investigated theoretically. The analysis is performed within the framework of a deformation-induced gauge field and corresponding deformation-induced magnetic field. It is shown that the latter gives a local energy gap along the axis of a deformed nanotube. We compare our energy gap results with experimental data on energy gaps in nanotubes and peapods. We also discuss the mixing of two Fermi points and construct a general model of low energy dynamics, including a short-range deformation of the graphite sheet. This model is equivalent to the Weyl equation in U(1) Abelian and SU(2) non-Abelian deformation-induced gauge fields.

• 理論物理学刊行会の論文
• 2005-03-25

著者

• KAWAZOE Yoshiyuki

  Institute for Materials Research, Tohoku University

• Sasaki Kenichi

  Institute For Materials Research Tohoku University

• Kawazoe Yoshiyuki

  Institute For Material Research Tohoku University

• SAITO Riichiro

  Department of Physics, Tohoku University and CREST, JST

• Saito Riichiro

  Department Of Physics Tohoku University And Crest Jst

• Saito Riichiro

  Department Of Electronic Engineering University Of Electro-communications

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