Quantum Motion on 2D Surface of Nonspherical Topology |
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Authors: | Q H Liu J X Hou Y P Xiao L X Li |
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Institution: | (1) School of Theoretical Physics and Department of Applied Physics, Hunan University, Changsha, 410082, China |
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Abstract: | An excess term exists when using hermitian form of Cartesian momentum p
i
(i = 1, 2, 3) in usual kinetic energy 1/(2) p
i
2 for a particle moving on the 2D surface, and the correct kinetic energy turns to be 1/(2) 1/fipi fi pi where the f
i are dummy factors in classical mechanics and nontrivial in quantum mechanics. In this paper, the explicit form of the dummy functions f
i is given for some surfaces of nonspherical topology, such as toroidal surface, paraboloid of revolution, the hyperboloid of revolution of two sheets, and the hyperboloid of revolution of one sheets. |
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Keywords: | quantum motion nonspherical topology |
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