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Semiconducting carbon nanotube quantum dots: Calculation of the interacting electron states by exact diagonalisation

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journal contribution
posted on 2010-02-08, 15:19 authored by Mervyn Roy, P. A. Maksym
In semiconducting carbon nanotube quantum dots that contain a few interacting electrons the electron-electron correlation is always important. The states of up to six interacting electrons in such a dot are calculated by exact diagonalisation of a 2-band, effective mass Hamiltonian. The addition energy and the few-electron density are investigated for a wide range of dots with different physical properties and, in a large proportion of these dots, the electrons are found to form Wigner molecules.

History

Citation

EPL (Europhysics Letters), 2009, 86, 37001.

Published in

EPL (Europhysics Letters)

Publisher

EDP Sciences

issn

0295-5075

Copyright date

2009

Available date

2010-02-08

Publisher version

http://iopscience.iop.org/article/10.1209/0295-5075/86/37001/meta

Language

en

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