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Exact propagator for an electron in a quadratic saddle-point potential and a magnetic field |
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| Authors: | Yang Tao Zhai Zhi-Yuan and Pan Xiao-Yin |
| Institution: | Department of Physics and Institute of Modern Physics, Ningbo University, Ningbo 315211, China |
| Abstract: | We study the propagator for an electron moving in a two-dimensional (2D) quadratic saddle-point potential, in the presence of a perpendicular uniform magnetic field. A closed-form expression for the propagator is derived using the Feynmann path integrals. |
| Keywords: | Feynmann path integrals propagator quadratic saddle-point potential |
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