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2015/10/08

Preparation of Mesoscopic Ion Crystals at SpecTrap

We have studied the formation process of mesoscopic Coulomb crystals in a Penning trap. The ion plasma (see picture) contains several thousand laser cooled Mg+ ions. The ions arrange into a multi-layer crystal because of their extremely small kinetic energy after cooling. In future, these Coulomb crystals will serve as a cold target for sympathetic cooling of highly charged ions.

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