通过诱导相位跳变操纵快速振荡势场中的量子粒子
Manipulation of quantum particles in rapidly oscillating potentials by inducing phase hops
摘要：
分析计算表明，被快速振荡势捕获的量子粒子的平均运动可以通过诱导相位跳变来显著地操纵，即，通过瞬间改变电势的相位。相位跳跃可以被看作是与可以控制的假想粒子碰撞的结果。几个相位跳变可以对粒子的平均运动产生累积效应，即使它们将粒子的哈密顿量转换为它的初始哈密顿量。一维Paul陷阱的数值模拟验证了理论预测。
英文摘要：
Analytical calculations show that the mean-motion of a quantum particle trapped by a rapidly oscillating potential can be significantly manipulated by inducing phase hops, i.e., by instantaneously changing the potential's phase. A phase hop can be visualized as being the result of a collision with an imaginary particle which can be controlled. Several phase hops can have accumulating effects on the particle's mean-motion, even if they transform the particle's Hamiltonian into its initial one. The theoretical predictions are verified by numerical simulations for the one-dimensional Paul-trap.
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