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15 January 2008The energy levels of a nanoring in the presence of quantum barriers
We have considered a two dimensional narrow semiconductor ring with sectorial barriers that is threaded by
magnetic flux. Using numerical diagonalization techniques, we have presented the diagrams of the energy spectra
versus the magnetic flux. For a constant value of the barrier height, with enhancement of the number of barriers, the
energy levels shift to higher energies and the degeneracy of the system increases. We have also investigated the
behavior of the energy levels with the magnetic flux for different values of the barrier height. The fluctuation of the
energy levels decreases, as the barriers' height increases.
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E. Faizabadi, Sh. Ahmadi, P. Robat Sarpooshi, "The energy levels of a nanoring in the presence of quantum barriers," Proc. SPIE 6831, Nanophotonics, Nanostructure, and Nanometrology II, 68310O (15 January 2008);