Non-markovian decoherence of localized nanotube excitons by acoustic phonons.

  title={Non-markovian decoherence of localized nanotube excitons by acoustic phonons.},
  author={Christophe Galland and Alexander H{\"o}gele and Hakan E. T{\"u}reci and Ataç Imamoğlu},
  journal={Physical review letters},
  volume={101 6},
We demonstrate that electron-phonon interaction in quantum dots embedded in one-dimensional systems leads to pronounced, non-Markovian decoherence of optical transitions. The experiments that we present focus on the line shape of photoluminescence from low-temperature axially localized carbon nanotube excitons. The independent boson model that we use to model the phonon interactions reproduces with very high accuracy the broad and asymmetric emission lines and the weak red-detuned radial… CONTINUE READING
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