Inelastic quantum transport and peierls-like mechanism in carbon nanotubes

Inelastic quantum transport and peierls-like mechanism in carbon nanotubes

We report on a theoretical study of inelastic quantum transport in (3m,0) carbon nanotubes. By using a many-body description of the electron-phonon interaction in Fock space, a novel mechanism involving optical phonon emission (absorption) is shown to induce an unprecedented energy-gap opening at ha...

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Veröffentlicht in:Physical review letters 2006-08, Vol.97 (7), p.076804-076804, Article 076804
Hauptverfasser: Foa Torres, Luis E F, Roche, Stephan
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container_title Physical review letters
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creator Foa Torres, Luis E F
Roche, Stephan
description We report on a theoretical study of inelastic quantum transport in (3m,0) carbon nanotubes. By using a many-body description of the electron-phonon interaction in Fock space, a novel mechanism involving optical phonon emission (absorption) is shown to induce an unprecedented energy-gap opening at half the phonon energy, variant Planck's over 2piomega0/2, above (below) the charge neutrality point. This mechanism, which is prevented by Pauli blocking at low bias voltages, is activated at bias voltages on the order of variant Planck's over 2piomega0.
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title Inelastic quantum transport and peierls-like mechanism in carbon nanotubes
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