Ordering and phase transitions of charged particles in a classical finite two-dimensional system

Vladimir M. Bedanov and François M. Peeters
Phys. Rev. B 49, 2667 – Published 15 January 1994
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Abstract

We report a Monte Carlo study of phase transitions in a finite two-dimensional (2D) system of charged classical particles which are confined by a circular parabolic or hard-wall well. The ground-state configurations are found by static energy calculations and their structures are analyzed using the Voronoi constructions. A Mendeleev table for these classical 2D-like atoms is obtained. We calculate the radial and angular components of the displacements of the particles as functions of temperature and determine the critical temperatures for the order-disorder phase transitions. The intershell rotation and intershell diffusion transitions are investigated. The results are compared with Wigner crystallization in the infinite 2D system.

  • Received 13 September 1993

DOI:https://doi.org/10.1103/PhysRevB.49.2667

©1994 American Physical Society

Authors & Affiliations

Vladimir M. Bedanov and François M. Peeters

  • Departement Natuurkunde, Universiteit Antwerpen (UIA), Universiteitsplein 1, B-2610 Antwerpen, Belgium

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Vol. 49, Iss. 4 — 15 January 1994

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