Interplay of magneto-elastic and polaronic effects in electronic transport through suspended carbon-nanotube quantum dots

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2012
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Houzet, Manuel
Pistolesi, Fabio
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Titel in einer weiteren Sprache
Influence des effets magnéto-élastique et polaronique sur le transport électronique à travers un point quantique formé avec un nanotube de carbone suspendu
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Comptes Rendus Physique. 2012, 13(5), pp. 410-425. ISSN 1631-0705. eISSN 1878-1535. Available under: doi: 10.1016/j.crhy.2012.03.001
Zusammenfassung

We investigate the electronic transport through a suspended carbon-nanotube quantum dot. In the presence of a magnetic field perpendicular to the nanotube and a nearby metallic gate, two forces act on the electrons: the Laplace and the electrostatic force. They both induce coupling between the electrons and the mechanical transverse oscillation modes. We find that the difference between the two mechanisms appears in the cotunneling current.

Zusammenfassung in einer weiteren Sprache

Nous étudions le transport électronique à travers un point quantique formé avec un nanotube de carbone suspendu. En présence dʼun champ magnétique perpendiculaire au nanotube et dʼune grille métallique, deux forces agissent sur les électrons : la force de Laplace et la force électrostatique. Elles induisent toutes les deux un couplage entre les électrons et les modes dʼoscillations mécaniques transverses. Nous trouvons quʼune différence entre les deux mécanismes de couplage se manifeste à des ordres supérieurs dans le courant tunnel.

Fachgebiet (DDC)
530 Physik
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Polaron, Quantum dot, Nano-electromechanical system
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ISO 690RASTELLI, Gianluca, Manuel HOUZET, Leonid I. GLAZMAN, Fabio PISTOLESI, 2012. Interplay of magneto-elastic and polaronic effects in electronic transport through suspended carbon-nanotube quantum dots. In: Comptes Rendus Physique. 2012, 13(5), pp. 410-425. ISSN 1631-0705. eISSN 1878-1535. Available under: doi: 10.1016/j.crhy.2012.03.001
BibTex
@article{Rastelli2012-02-10Inter-46540,
  year={2012},
  doi={10.1016/j.crhy.2012.03.001},
  title={Interplay of magneto-elastic and polaronic effects in electronic transport through suspended carbon-nanotube quantum dots},
  number={5},
  volume={13},
  issn={1631-0705},
  journal={Comptes Rendus Physique},
  pages={410--425},
  author={Rastelli, Gianluca and Houzet, Manuel and Glazman, Leonid I. and Pistolesi, Fabio}
}
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