• DocumentCode
    3538693
  • Title

    Excitons and interband terahertz transitions in narrow-gap carbon nanotubes

  • Author

    Portnoi, M.E. ; Downing, C.A. ; Hartmann, R.R. ; Shelykh, I.A.

  • Author_Institution
    Sch. of Phys., Univ. of Exeter, Exeter, UK
  • fYear
    2013
  • fDate
    9-13 Sept. 2013
  • Firstpage
    231
  • Lastpage
    234
  • Abstract
    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.
  • Keywords
    absorption coefficients; carbon nanotubes; excitons; narrow band gap semiconductors; semiconductor nanotubes; C; Dirac system; excitons; interband terahertz transitions; narrow band-gap single-walled carbon nanotubes; one-dimensional Van Hove singularity; quasione-dimensional two-body problem; Absorption; Carbon nanotubes; Electric potential; Excitons; Mathematical model; Photonic band gap;
  • fLanguage
    English
  • Publisher
    ieee
  • Conference_Titel
    Electromagnetics in Advanced Applications (ICEAA), 2013 International Conference on
  • Conference_Location
    Torino
  • Print_ISBN
    978-1-4673-5705-0
  • Type

    conf

  • DOI
    10.1109/ICEAA.2013.6632229
  • Filename
    6632229
    • Link To Document
    https://search.isc.ac/dl/search/defaultta.aspx?DTC=49&DC=3538693