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Interacting electrons in a semiconducting carbon nanotube dot: A 2-band approach

By Mervyn Roy and P. A. Maksym


A new 2-band effective mass theory for the interacting electron states in a carbon nanotube quantum dot is outlined. The states of two interacting electrons are calculated by exact diagonalisation of the 2-band Hamiltonian. A range of different nanotube and dot parameters are investigated and, interestingly, the 2-electron ground states are found to be ferromagnetic

Publisher: Elsevier
Year: 2008
DOI identifier: 10.1016/j.physe.2007.09.160
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