The Coherent Tunnelling with Position-Dependent Mass in a Bistable Potential |
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| Authors: | Sen-yue LOU Guang-jiong NI |
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| Institution: | 1. Physics Department, Ningbo Normal College, Ningbo 315211, China;
2. Physics Department, Fudan University, Shanghai, China |
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| Abstract: | A particle with position-dependent mass moving in a double well potential is investigated. An exact instanton solution is given and tunnelling effect caused by it is considered. We calculate the energy of the ground state of this model by introducing some effective mass and frequency of oscillator. |
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