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arXiv:1809.07143 [cond-mat.mes-hall]AbstractReferencesReviewsResources

Coupling of shells in a carbon nanotube quantum dot

M. C. Hels, T. S. Jespersen, J. Nygård, K. Grove-Rasmussen

Published 2018-09-19Version 1

We systematically study the coupling of longitudinal modes (shells) in a carbon nanotube quantum dot. Inelastic cotunneling spectroscopy is used to probe the excitation spectrum in parallel, perpendicular and rotating magnetic fields. The data is compared to a theoretical model including coupling between shells, induced by atomically sharp disorder in the nanotube. The calculated excitation spectra show good correspondence with experimental data.

Comments: 8 pages, 4 figures
Categories: cond-mat.mes-hall
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