In this paper we present new versatile "2D macroscopic Wigner islands" useful to investigate the various behaviors observed in mesoscopic confined systems. Our "Wigner islands" consist of electrostatically-interacting charged balls with millimetric size. We have experimentally determined the ground configurations for systems of N particles (N=1-30) confined in a parabolic potential and checked the influence of the confinement and interacting potentials. The results obtained are compared with the published numerical results.
Cite
@article{arxiv.cond-mat/0101285,
title = {Macroscopic 2D Wigner islands},
author = {M. Saint Jean and C. Even and C. Guthmann},
journal= {arXiv preprint arXiv:cond-mat/0101285},
year = {2009}
}