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Energy level of an electron in a saddle-potential quantum dot under a uniform magnetic field obtained by the invariant eigenoperator method |
Xie Chuan-Mei(谢传梅)a)b)† and Fan Hong-Yi(范洪义)b) |
a College of Physics and Material Science, Anhui University, Hefei 230039, China; b Department of Material Science and Engineering, University of Science and Technology of China, Hefei 230026, China |
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Abstract We show that the recently proposed invariant eigenoperator method can be successfully applied to solving the energy levels of an electron in a saddle-potential quantum dot under a uniform magnetic field. The Landau diamagnetism decreases with the value ωy2 - ωx2 due to the existence of the saddle potential.
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Received: 16 May 2011
Revised: 25 June 2011
Accepted manuscript online:
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PACS:
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03.65.-w
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(Quantum mechanics)
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73.63.Kv
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(Quantum dots)
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Fund: Project supported by the Doctoral Scientific Research Startup Fund of Anhui University, China (Grant No. 33190059), the National Natural Science Foundation of China (Grant No. 10874174), the President Foundation of the Chinese Academy of Sciences, and the Open Fund of the State Key Laboratory for Infrared Physics. |
Cite this article:
Xie Chuan-Mei(谢传梅) and Fan Hong-Yi(范洪义) Energy level of an electron in a saddle-potential quantum dot under a uniform magnetic field obtained by the invariant eigenoperator method 2011 Chin. Phys. B 20 120303
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