Biexciton stability in carbon nanotubes
Materials Science
2007-09-24 v1
Abstract
We have applied the quantum Monte Carlo method and tight-binding modelling to calculate the binding energy of biexcitons in semiconductor carbon nanotubes for a wide range of diameters and chiralities. For typical nanotube diameters we find that biexciton binding energies are much larger than previously predicted from variational methods, which easily brings the biexciton binding energy above the room temperature threshold.
Keywords
Cite
@article{arxiv.0708.4106,
title = {Biexciton stability in carbon nanotubes},
author = {David Kammerlander and Deborah Prezzi and Guido Goldoni and Elisa Molinari and Ulrich Hohenester},
journal= {arXiv preprint arXiv:0708.4106},
year = {2007}
}
Comments
revtex4, final, twocolumn. to be published in Phys.Rev.Let. 5 pages 3 figures