Abstract
The demonstration of laser-cooled trapped ions1 and atoms2 and the recent achievement of laser confinement of neutral atoms3 have raised the question of possible crystallization of trapped particles4. Numerical calculations, e.g. of a one-component plasma5, have indicated that such a so-called “Wigner crystal” would exist6. An experiment7, performed almost 30 years ago, revealed ordered structures of charged aluminum particles in an rf trap. With deep cooling of trapped ions achieved, we face the chance to observe analogous structures. Recent numerical computations of ion clouds4,8 predict spatial order and various shapes of the cloud.
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Casdorff, R., Blatt, R., Toschek, P.E. (1987). Ordered Structures of Ions Stored in an rf Trap. In: Persson, W., Svanberg, S. (eds) Laser Spectroscopy VIII. Springer Series in Optical Sciences, vol 55. Springer, Berlin, Heidelberg. https://doi.org/10.1007/978-3-540-47973-4_18
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DOI: https://doi.org/10.1007/978-3-540-47973-4_18
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