3 years ago

Cooling dynamics of a single trapped ion via elastic collisions with small-mass atoms.

Ryosuke Nakai, Mizuki Sasakawa, Takashi Mukaiyama, Shinsuke Haze, Ryoichi Saito

We demonstrated sympathetic cooling of a single ion in a buffer gas of ultracold atoms with small mass. Efficient collisional cooling was realized by suppressing collision-induced heating. We attempt to explain the experimental results with a simple rate equation model and provide a quantitative discussion of the cooling efficiency per collision. The knowledge we obtained in this work is an important ingredient for advancing the technique of sympathetic cooling of ions with neutral atoms.

Publisher URL: http://arxiv.org/abs/1710.09958

DOI: arXiv:1710.09958v2

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