Exciton states in narrow-gap carbon nanotubes

College

College of Science

Department/Unit

Physics

Document Type

Conference Proceeding

Source Title

AIP Conference Proceedings

Volume

1705

Publication Date

2-1-2016

Abstract

Quasi-exact solutions to the quantum relativistic two-body problem are obtained for a one-dimensional Woods-Saxon-like potential. The quantised positive energy spectrum is obtained in the square well potential limit in terms of a set of simple transcendental equations. This potential is used to calculate excitonic states in narrow-gap single-walled carbon nanotubes and the binding energy is shown to scale with the band gap. © 2016 AIP Publishing LLC.

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Digitial Object Identifier (DOI)

10.1063/1.4940294

Disciplines

Physics

Keywords

Carbon nanotubes

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