Aharonov-bohm spectral features and coherence lengths in carbon nanotubes

S. Roche; S. Roche; G. Dresselhaus; M. S. Dresselhaus; R. Saito

doi:10.1103/PhysRevB.62.16092

Aharonov-bohm spectral features and coherence lengths in carbon nanotubes

S. Roche, S. Roche, G. Dresselhaus, M. S. Dresselhaus, R. Saito

Research output: Contribution to journal › Article › peer-review

127 Citations (Scopus)

Abstract

The electronic properties of carbon nanotubes are investigated in the presence of disorder and a magnetic field parallel or perpendicular to the nanotube axis. In the parallel field geometry, the φ₀-periodic (φ₀ = hc/e) metal-insulator transition induced in metallic or semiconducting nanotubes is shown to be related to a chirality-dependent shifting of the energy of the van Hove singularities (VHS's). The effect of disorder on this magnetic-field-related mechanism is considered with a discussion of mean free paths, localization lengths, and magnetic dephasing rate in the context of recent experiments.

Original language	English
Pages (from-to)	16092-16099
Number of pages	8
Journal	Physical Review B - Condensed Matter and Materials Physics
Volume	62
Issue number	23
DOIs	https://doi.org/10.1103/PhysRevB.62.16092
Publication status	Published - 2000 Dec 15
Externally published	Yes

ASJC Scopus subject areas

Electronic, Optical and Magnetic Materials
Condensed Matter Physics

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10.1103/PhysRevB.62.16092

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AU - Dresselhaus, G.

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AU - Saito, R.

PY - 2000/12/15

Y1 - 2000/12/15

N2 - The electronic properties of carbon nanotubes are investigated in the presence of disorder and a magnetic field parallel or perpendicular to the nanotube axis. In the parallel field geometry, the φ0-periodic (φ0 = hc/e) metal-insulator transition induced in metallic or semiconducting nanotubes is shown to be related to a chirality-dependent shifting of the energy of the van Hove singularities (VHS's). The effect of disorder on this magnetic-field-related mechanism is considered with a discussion of mean free paths, localization lengths, and magnetic dephasing rate in the context of recent experiments.

AB - The electronic properties of carbon nanotubes are investigated in the presence of disorder and a magnetic field parallel or perpendicular to the nanotube axis. In the parallel field geometry, the φ0-periodic (φ0 = hc/e) metal-insulator transition induced in metallic or semiconducting nanotubes is shown to be related to a chirality-dependent shifting of the energy of the van Hove singularities (VHS's). The effect of disorder on this magnetic-field-related mechanism is considered with a discussion of mean free paths, localization lengths, and magnetic dephasing rate in the context of recent experiments.

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Aharonov-bohm spectral features and coherence lengths in carbon nanotubes

Abstract

ASJC Scopus subject areas

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