Paul阱中射频源倍频作用下囚禁离子运动特性

1.九江学院物理与信息工程系,九江,332000

2.中国科学院武汉物理与数学研究所波谱与原子分子物理国家重点实验室,武汉,430071

基金项目: 国家自然科学基金(19904013,19904014)

Characteristics of Traped Ion Considering the Double Frequency of Trap Field in Paul Trap

基于以前的研究结果,采用函数级数展开法,研究了Paul阱中在非理想射频囚禁场作用下、考虑二次谐波φ=U-V1cosΩt-Vscos 2Ωt时囚禁离子运动特性,得到了单个囚禁离子运动Mathieu方程的解析解和z方向离子运动的特征频率(宏运动,微运动)随倍频参数的变化规律.

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