Phys. Rev. Lett. 86, 3851–3854 (2001)

Wigner Crystallization in Mesoscopic 2D Electron Systems

Abstract

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A. V. Filinov^1,2, M. Bonitz¹, and Yu. E. Lozovik²
¹Fachbereich Physik, Universität Rostock Universitätsplatz 3, D-18051 Rostock, Germany
²Institute of Spectroscopy, 142090 Troitsk, Moscow Region, Russia

Received 25 April 2000; published in the issue dated 23 April 2001

See accompanying Physics Focus

Wigner crystallization of electrons in 2D quantum dots is reported. It proceeds in two stages: (i) via radial ordering of electrons on shells and (ii) freezing of the intershell rotation. The phase boundary of the crystal is computed in the whole temperature-density plane, and the influences of quantum effects and the particle number are analyzed.

URL:

http://link.aps.org/doi/10.1103/PhysRevLett.86.3851

DOI:

10.1103/PhysRevLett.86.3851

PACS:

73.21.-b, 73.22.-f

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Phys. Rev. Lett. 86, 3851–3854 (2001)

Wigner Crystallization in Mesoscopic 2D Electron Systems