K. Sasaki, K. Kato, Y. Tokura, T. Sogawa, R. Saito
Published 2011-07-30Version 1
The universality of $k$-dependent electron-photon and electron-phonon matrix elements is discussed for graphene nanoribbons and carbon nanotubes. An electron undergoes a change in wavevector in the direction of broken translational symmetry, depending on the light polarization direction. We suggest that this phenomenon originates from a microscopic feature of chirality.
Comments: 4 pages, 2 figures
Impurity segregation in graphene nanoribbons
Excess energy and deformation along free edges of graphene nanoribbons
Effect of the attachment of ferromagnetic contacts on the conductivity and giant magnetoresistance of graphene nanoribbons
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