Journal
PHYSICAL REVIEW LETTERS
Volume 84, Issue 19, Pages 4381-4384Publisher
AMERICAN PHYSICAL SOC
DOI: 10.1103/PhysRevLett.84.4381
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Melting of two-dimensional (2D) clusters of classical particles is studied using Brownian dynamics and Langevin molecular dynamics simulations. The particles are confined either by a circular hard wall or by a parabolic external potential and interact through a dipole or a screened Coulomb potential. We found that, with decreasing strength of the interparticle interaction, clusters with a short-range interparticle interaction and confined by a hard wall exhibit a reentrant behavior in its orientational order.
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