 |
|
 |
 |
 |
 |
 |
Exciton
scattering from impurities and acoustic phonons |
We study scattering of excitons from impurities and acoustic phonons in carbon nanotubes. In carbon nanotubes, electron-hole symmetry exists. Therefore, scattering of electrons and that of holes for excitons cancel with each other and scattering of excitons are substantially suppressed. |
 |
Energy dependence of energy broadening for excitons caused by scattering from long-range impurities. Energy broadening for the exciton ground state (red line) vanishes below the band edge for the first excited exciton. |
 |
 |
 |
Copyright (C) Seiji URYU, All rights reserved. |
|
 |
|