Quantized adiabatic charge transport in a carbon nanotube

The coupling of a semimetallic carbon nanotube to a surface acoustic wave (SAW) is proposed as a vehicle to realize quantized adiabatic charge transport. We demonstrate that electron backscattering from a periodic SAW potential can be used to induce a miniband spectrum at energies near the Fermi lev...

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Bibliographic Details
Published in:Physical review letters 2001-12, Vol.87 (27 Pt 1), p.276802-276802, Article 276802
Main Authors: Talyanskii, V I, Novikov, D S, Simons, B D, Levitov, L S
Format: Article
Language:English
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Summary:The coupling of a semimetallic carbon nanotube to a surface acoustic wave (SAW) is proposed as a vehicle to realize quantized adiabatic charge transport. We demonstrate that electron backscattering from a periodic SAW potential can be used to induce a miniband spectrum at energies near the Fermi level. Within the framework of Luttinger liquid theory, electron interaction is shown to enhance minigaps and thereby improve current quantization.
ISSN:0031-9007
1079-7114
DOI:10.1103/PhysRevLett.87.276802