原子和分子的里德伯格-斯塔克减速。

IF 1 Q4 INSTRUMENTS & INSTRUMENTATION
EPJ Techniques and Instrumentation Pub Date : 2016-01-01 Epub Date: 2016-03-01 DOI:10.1140/epjti/s40485-015-0028-4
Stephen D Hogan
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引用次数: 54

摘要

与原子和分子的高激发里德堡态相关的大电偶极矩使得这些状态下的气相样品非常适合使用非均匀电场进行减速和捕获。本文回顾了可以实现这一目标的Rydberg-Stark减速方法。利用这些技术,可以控制以高达2500米/秒的速度运动的原子和分子束的纵向运动,实现了动能变化高达|Δ E kin|=1.3×10-20 J (|Δ E kin|/ E =80 meV或|Δ E kin|/h c=650 cm -1),同时制备了数密度为106- 107 cm -3,平动温度为~ 150 mK的减速和捕获样品。讨论了这些样品在物理和物理化学界面研究领域的应用。
本文章由计算机程序翻译,如有差异,请以英文原文为准。

Rydberg-Stark deceleration of atoms and molecules.

Rydberg-Stark deceleration of atoms and molecules.

Rydberg-Stark deceleration of atoms and molecules.

Rydberg-Stark deceleration of atoms and molecules.

The large electric dipole moments associated with highly excited Rydberg states of atoms and molecules make gas-phase samples in these states very well suited to deceleration and trapping using inhomogeneous electric fields. The methods of Rydberg-Stark deceleration with which this can be achieved are reviewed here. Using these techniques, the longitudinal motion of beams of atoms and molecules moving at speeds as high as 2500 m/s have been manipulated, with changes in kinetic energy of up to |Δ E kin|=1.3×10-20 J (|Δ E kin|/e=80 meV or |Δ E kin|/h c=650 cm -1) achieved, while decelerated and trapped samples with number densities of 106- 107 cm -3 and translational temperatures of ∼150 mK have been prepared. Applications of these samples in areas of research at the interface between physics and physical chemistry are discussed.

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来源期刊
EPJ Techniques and Instrumentation
EPJ Techniques and Instrumentation INSTRUMENTS & INSTRUMENTATION-
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