A charged particle in a homogeneous magnetic field accelerated by a time periodic Aharonov-Bohm flux

Details A charged particle in a homogeneous magnetic field accelerated by a time periodic Aharonov-Bohm flux A charged particle in a homogeneous magnetic field accelerated by a time periodic Aharonov-Bohm flux

2011-07-14

arxiv.org/abs/1107.2861v1

Physics

Mathematical Physics

Scientific paper

10.1016/j.aop.2011.06.007

We consider a nonrelativistic quantum charged particle moving on a plane under the influence of a uniform magnetic field and driven by a periodically time-dependent Aharonov-Bohm flux. We observe an acceleration effect in the case when the Aharonov-Bohm flux depends on time as a sinusoidal function whose frequency is in resonance with the cyclotron frequency. In particular, the energy of the particle increases linearly for large times. An explicit formula for the acceleration rate is derived with the aid of the quantum averaging method, and then it is checked against a numerical solution with a very good agreement.

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