Excitons and interband terahertz transitions in narrow-gap carbon nanotubes

• Main Authors: Portnoi, M. E., Downing, C. A., Hartmann, Richard R., Shelykh, I. A.
• Format: text
• Published: Animo Repository 2013
• Subjects: Carbon nanotubes; Two-body problem; Physics
• Online Access: https://animorepository.dlsu.edu.ph/faculty_research/4437
• Institution: De La Salle University

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. © 2013 IEEE.