Gauge Field for Edge State in Graphene(Condensed matter: electronic structure and electrical, magnetic, and optical properties)

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概要

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• By considering the continuous model for graphene, we analytically study a special gauge field for the edge state. The gauge field explains the properties of the edge state such as the existence only on the zigzag edge, the partial appearance in the K-space, and the energy position around the Fermi energy. It is demonstrated utilizing the gauge field that the edge state is robust for surface reconstruction, and the next nearest-neighbor interaction which breaks the particle-hole symmetry stabilizes the edge state.

• 2006-07-15

著者

• MURAKAMI Shuichi

  Department of Physics and Electronics, Osaka Prefecture University

• Sasaki Ken-ichi

  Institute For Materials 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

• Murakami Shuichi

  Department Of Applied Physics University Of Tokyo

• MURAKAMI Shuichi

  Department of Applied Physics, University of Tokyo

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