Abstract
We report interband magneto-optical spectra for single-walled carbon nanotubes in high magnetic fields up to 45 tesla, confirming theoretical predictions that the band structure of a single-walled carbon nanotube is dependent on the magnetic flux ϕ threading the tube. We have observed field-induced optical anisotropy as well as red shifts and splittings of absorption and photoluminescence peaks. The amounts of shifts and splittings depend on the value of ϕ/ϕ 0 and are quantitatively consistent with theories based on the Aharonov-Bohm effect. These results represent evidence of the influence of the Aharonov-Bohm phase on the band gap of a solid.
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- See supporting material on Science Online for details.
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- Supported by the Robert A. Welch Foundation (through grant no. C-1509) the Texas Advanced Technology Program (through project no. 003604-0001-2001) and NSF (through grant no. DMR-0134058). A portion of this work was performed at the National High Magnetic Field Laboratory which is supported by NSF cooperative agreement no. DMR-0084173 and by the State of Florida.
Dates
Type | When |
---|---|
Created | 21 years, 3 months ago (May 20, 2004, 3:48 p.m.) |
Deposited | 1 year, 7 months ago (Jan. 9, 2024, 9:06 p.m.) |
Indexed | 3 weeks, 4 days ago (Aug. 6, 2025, 9:01 a.m.) |
Issued | 21 years, 3 months ago (May 21, 2004) |
Published | 21 years, 3 months ago (May 21, 2004) |
Published Print | 21 years, 3 months ago (May 21, 2004) |
@article{Zaric_2004, title={Optical Signatures of the Aharonov-Bohm Phase in Single-Walled Carbon Nanotubes}, volume={304}, ISSN={1095-9203}, url={http://dx.doi.org/10.1126/science.1096524}, DOI={10.1126/science.1096524}, number={5674}, journal={Science}, publisher={American Association for the Advancement of Science (AAAS)}, author={Zaric, Sasa and Ostojic, Gordana N. and Kono, Junichiro and Shaver, Jonah and Moore, Valerie C. and Strano, Michael S. and Hauge, Robert H. and Smalley, Richard E. and Wei, Xing}, year={2004}, month=may, pages={1129–1131} }