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Letter

Nature Physics 2, 336–340 (1 May 2006) | doi:10.1038/nphys293

Correlation-induced inhomogeneity in circular quantum dots

Amit Ghosal , A. D. G|[uuml]||[ccedil]|l|[uuml]| , C. J. Umrigar , Denis Ullmo & Harold U. Baranger

Properties of the |[lsquo]|electron gas|[rsquo]|—in which conduction electrons interact by means of Coulomb forces but ionic potentials are neglected—change dramatically depending on the balance between kinetic energy and Coulomb repulsion. The limits are well understood.