Paul阱中离子的奇偶相干态及其高阶压缩  

Even and Odd Coherent States of an Ion in the Paul Trap and Their Higherorder Squeezing Properties

作　　者：王琴惠[1] 朱久运[1] 

机构地区：[1]湘潭师范学院物理系,湖南师范大学物理系

出　　处：《湖南师范大学自然科学学报》1997年第4期30-36,共7页Journal of Natural Science of Hunan Normal University

基　　金：国家自然科学基金

摘　　要：构造了Ｐａｕｌ阱中的离子的奇偶相干态，研究了Ｐａｕｌ阱中离子的位置和动量的测不准关系，详细研究了这种离子的高阶压缩特性．研究表明，Ｐａｕｌ阱中的离子有高阶压缩效应，而且压缩的区域和程度不仅与所选量子态和算符有关，还与时间相关．In this paper, we construct even and odd coherent states of an ion in the Paul trap, we study the uncertainty relation of position and momentum of the ion, the higherorder squeezing properties of the ion are investigated in detail. It is shown that an ion in the Paul trap has higherorder squeezing, the squeezing regions and degrees depend on not only the quantum states and operators that we choose, but also time. We give the fourthorder squeezing conditions of position and momentum in even and odd coherent states.

关 键 词：相干态 测不准关系 高阶压缩 PAUL阱 离子 

分 类 号：O431[机械工程—光学工程]