Description of ion motion in a Paul trap immersed in a cold atomic gas

Description of ion motion in a Paul trap immersed in a cold atomic gas
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浸没在冷原子气体中的保罗阱中离子运动的描述

DOI:
10.1103/physreva.91.023430
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发表时间:
2013
期刊:
影响因子:
2.9
通讯作者:
Z. Idziaszek
Z. Idziaszek
中科院分区:
物理与天体物理2区
文献类型:
--
作者:
M. Krych;Z. Idziaszek

文献摘要

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我们研究了浸没在冷凝或非冷凝相超冷玻色气体中的射频阱中的单个离子的问题。我们开发了一个描述交感冷却的主方程形式,并确定了离子的冷却速率。我们证明冷原子库改变了保罗陷阱中离子的稳定性图,创建了离子由于能量量子与时间相关电势交换而被冷却或加热的区域。
We investigate the problem of a single ion in a radio-frequency trap immersed in an ultracold Bose gas in either a condensed or a noncondensed phase. We develop a master-equation formalism describing the sympathetic cooling, and we determine the cooling rates of ions. We show that the cold atomic reservoir modifies the stability diagram of the ion in the Paul trap, creating regions where the ion is either cooled or heated due to the energy quanta exchanged with the time-dependent potential.