posted on 2025-07-30, 22:16authored byM.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)