Controlled Generation of Dark Solitons with Phase Imprinting
Biao Wu, Jie Liu, Qian Niu
Abstract
The generation of dark solitons in Bose-Einstein condensates with phase imprinting is studied by mapping it into the classic problem of a damped driven pendulum. We provide simple but powerful schemes of designing the phase imprint for various desired outcomes. We derive a formula for the number of dark solitons generated by a given phase step, and also obtain results which explain experimental observations.
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