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Calculation of the few-electron states in semiconductor carbon nanotube quantum dots by exact diagonalisation

By Mervyn Roy and P.A. Maksym


This is the author’s final draft of the paper published as Journal of Physics : Conference Series, 2010, 242 (1). The final published version is available at http://iopscience.iop.org/1742-6596/242/1/012007/, Doi: 10.1088/1742-6596/242/1/012007The 3 and 4-electron states of a gated semiconducting carbon nanotube quantum dot are calculated by exact diagonalisation of a modified effective mass Hamiltonian. A typical nanotube quantum dot is examined and the few-electron states are Wigner molecule-like. The exact diagonalisation method and the rate of convergence of the calculation are discussed

Publisher: Institute of Physics
Year: 2010
DOI identifier: 10.1088/1742-6596
OAI identifier: oai:lra.le.ac.uk:2381/8454

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