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Donor impurity states in elliptical quantum rings subjected to a magnetic field |
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| Authors: | Bing LiYong-Hui Liu Jian-Jun Liu |
| Affiliation: | a Department of Physics and Hebei Advanced Thin Film Laboratory, Hebei Normal University, Shijiazhuang 050016, Hebei, People''s Republic of China b Faculty of Physics and Electric Information, Langfang Teachers College, Langfang 065000, Hebei, People''s Republic of China |
| Abstract: | Within the effective-mass approximation we calculate the energies of a donor impurity in an elliptical quantum ring subjected to a magnetic field. The energies are found to exhibit Aharonov-Bohm oscillations depending on the magnetic field and the eccentricity. As the eccentricity increases, the energies decrease and the period increases. |
| Keywords: | Donor impurity Elliptical quantum ring Magnetic field |
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