Inhomogeneous optical absorption around the K point in graphite and carbon nanotubes

A. Jorio; A. G.Souza Filho; M. S. Dresselhaus; A. Grüneis; R. Saito; Ge G. Samsonidze; T. Kimura; M. A. Pimenta; M. A. Pimenta; G. Dresselhaus; M. A. Pimenta

doi:10.1103/PhysRevB.67.165402

Inhomogeneous optical absorption around the K point in graphite and carbon nanotubes

A. Jorio, A. G.Souza Filho, M. S. Dresselhaus, A. Grüneis, R. Saito, Ge G. Samsonidze, T. Kimura, M. A. Pimenta, M. A. Pimenta, G. Dresselhaus, M. A. Pimenta

SCI - Physics

Research output: Contribution to journal › Article › peer-review

2 Citations (Scopus)

Abstract

The optical absorption spectra of π electrons are calculated for graphite and carbon nanotubes. Particular attention is paid to the processes contributing to the optical absorption as a function of the electron wave vector k and light polarization direction. The optical absorption amplitude around the K point in the Brillouin zone has a node in the two-dimensional Brillouin zone of graphite. The formula for the absorption scattering matrix around the K point is given analytically by expanding the matrix element into a Taylor series. The chirality dependence of the absorption matrix element of a single-wall carbon nanotube is presented.

Original language	English
Journal	Physical Review B - Condensed Matter and Materials Physics
Volume	67
Issue number	16
DOIs	https://doi.org/10.1103/PhysRevB.67.165402
Publication status	Published - 2003 Apr 2

ASJC Scopus subject areas

Electronic, Optical and Magnetic Materials
Condensed Matter Physics

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10.1103/PhysRevB.67.165402

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Jorio, A., Filho, A. G. S., Dresselhaus, M. S., Grüneis, A., Saito, R., Samsonidze, G. G., Kimura, T., Pimenta, M. A., Pimenta, M. A., Dresselhaus, G., & Pimenta, M. A. (2003). Inhomogeneous optical absorption around the K point in graphite and carbon nanotubes. Physical Review B - Condensed Matter and Materials Physics, 67(16). https://doi.org/10.1103/PhysRevB.67.165402

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abstract = "The optical absorption spectra of π electrons are calculated for graphite and carbon nanotubes. Particular attention is paid to the processes contributing to the optical absorption as a function of the electron wave vector k and light polarization direction. The optical absorption amplitude around the K point in the Brillouin zone has a node in the two-dimensional Brillouin zone of graphite. The formula for the absorption scattering matrix around the K point is given analytically by expanding the matrix element into a Taylor series. The chirality dependence of the absorption matrix element of a single-wall carbon nanotube is presented.",

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T1 - Inhomogeneous optical absorption around the K point in graphite and carbon nanotubes

AU - Jorio, A.

AU - Filho, A. G.Souza

AU - Dresselhaus, M. S.

AU - Grüneis, A.

AU - Saito, R.

AU - Samsonidze, Ge G.

AU - Kimura, T.

AU - Pimenta, M. A.

AU - Dresselhaus, G.

AU - Pimenta, M. A.

PY - 2003/4/2

Y1 - 2003/4/2

N2 - The optical absorption spectra of π electrons are calculated for graphite and carbon nanotubes. Particular attention is paid to the processes contributing to the optical absorption as a function of the electron wave vector k and light polarization direction. The optical absorption amplitude around the K point in the Brillouin zone has a node in the two-dimensional Brillouin zone of graphite. The formula for the absorption scattering matrix around the K point is given analytically by expanding the matrix element into a Taylor series. The chirality dependence of the absorption matrix element of a single-wall carbon nanotube is presented.

AB - The optical absorption spectra of π electrons are calculated for graphite and carbon nanotubes. Particular attention is paid to the processes contributing to the optical absorption as a function of the electron wave vector k and light polarization direction. The optical absorption amplitude around the K point in the Brillouin zone has a node in the two-dimensional Brillouin zone of graphite. The formula for the absorption scattering matrix around the K point is given analytically by expanding the matrix element into a Taylor series. The chirality dependence of the absorption matrix element of a single-wall carbon nanotube is presented.

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Inhomogeneous optical absorption around the K point in graphite and carbon nanotubes

Abstract

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