期刊
JOURNAL OF MODERN OPTICS
卷 65, 期 5-6, 页码 501-519出版社
TAYLOR & FRANCIS LTD
DOI: 10.1080/09500340.2017.1397217
关键词
Atom-ion; trapped ions; non-equilibrium; power law; micromotion; ultracold collisions
类别
资金
- Crown Photonics Center
- I-Core-Israeli excellence center circle of light
- Israeli Science Foundation
- U.S.-Israel Binational Science Foundation [2008473]
- European Research Council [616919-Ionology]
Experimental realizations of charged ions and neutral atoms in overlapping traps are gaining increasing interest due to their wide research application ranging from chemistry at the quantum level to quantum simulations of solid state systems. In this paper, we describe our experimental system in whichwe overlap a single ground-state cooled ion trapped in a linear Paul trap with a cloud of ultracold atoms such that both constituents are in the mu K regime. Excess micromotion (EMM) currently limits atom-ion interaction energy to the mK energy scale and above. We demonstrate spectroscopy methods and compensation techniques which characterize and reduce the ion's parasitic EMM energy to the mu K regime even for ion crystals of several ions. We further give a substantial review on the non-equilibrium dynamics which governs atom-ion systems. The non-equilibrium dynamics is manifested by a power law distribution of the ion's energy. We also give an overview on the coherent and non-coherent thermometry tools which can be used to characterize the ion's energy distribution after single to many atom-ion collisions.
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