Possible re-evaporation of two-dimensional Wigner crystals at extremely low densities
- 28 May 1978
- journal article
- Published by IOP Publishing in Journal of Physics C: Solid State Physics
- Vol. 11 (10) , L411-L415
- https://doi.org/10.1088/0022-3719/11/10/001
Abstract
A two-dimensional Wigner crystal of electrons can re-evaporate into a gas in the limit of very low densities when correlation with the positive background becomes important. The densities required are very much below current experimental values. However, if the plane of motion of the electrons and that of the positive background are close enough, crystallisation is prevented at all densities.Keywords
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