Abstract

The radiofrequency imprisoned ion system can isolate the coupling effect between ion and environment, and is helpful to the precise control of ion quantum state, which is an ideal candidate system for new atomic clocks. In this paper, the coupling effect between imprisoned ion and RF potential field is quantitatively studied by using finite element numerical analysis method. The coupling process of ion and RF phase is established, and the unsteady dynamic process of ion capture is analyzed. The influence of radio frequency amplitude on ion trapping ability and the reasonable range of radio frequency parameters conducive to ion stable confinement are studied. This method can be widely used in the study of ion trap structure and electromagnetic field parameter optimization in the fields of imprisoned ion frequency scale and quantum computing, and is helpful to the development of highly coherent quantum systems.

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