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Excitons and interband terahertz transitions in narrow-gap carbon nanotubes

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conference contribution
posted on 2025-07-30, 22:16 authored by M.E. Portnoi, C.A. Downing, Richard R. Hartmann, I.A. Shelykh
We show, via a solution of the quasi-one-dimensional two-body problem applied to a Dirac system, that excitonic effects suppress the one-dimensional Van Hove singularity in single-walled carbon nanotubes with narrow band gaps.

Funding

EU FP7

Engineering and Physical Sciences Research Council (EPSRC)

FP7-237252

FP7-246784

FP7-316432

FP7-612285

History

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    ISBN - Is published in urn:isbn:9781470000000

Notes

Copyright © 2013 IEEE. Personal use of this material is permitted. Permission from IEEE must be obtained for all other users, including reprinting/ republishing this material for advertising or promotional purposes, creating new collective works for resale or redistribution to servers or lists, or reuse of any copyrighted components of this work in other works. 2013 International Conference on Electromagnetics in Advanced Applications (ICEAA), Torino, Italy, 9 - 13 September 2013, pp. 231 - 234

Journal

Proceedings of the 2013 International Conference on Electromagnetics in Advanced Applications (ICEAA)

Publisher

Institute of Electrical and Electronics Engineers (IEEE)

Language

en

Department

  • Physics and Astronomy

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