Volume 41, Number 6, March II 1998
|Page(s)||635 - 640|
|Section||Condensed matter: structure, thermal and mechanical properties|
|Published online||01 September 2002|
On the Lindemann criterion in 2D
Department of Pure and Applied Physics,
The Queen's University of Belfast, Belfast BT7 1NN, Northern Ireland
Accepted: 27 January 1998
Molecular-dynamics simulations suggest that in 2D screened Coulomb solids melt when the r.m.s. displacement of particles in local co-ordinate systems exceeds of the lattice period, close to the Lindemann criterion in 3D. This criterion is over-estimated in the co-operative motion model, but under-estimated in the Einstein model, because during melting a 2D solid is a mixture of both ordered and disordered phases.
PACS: 64.60.Cn – Order-disorder transformations; statistical mechanics of model systems / 64.60.Ht – Dynamic critical phenomena / 64.70.Dv – Solid-liquid transitions
© EDP Sciences, 1998
Current usage metrics show cumulative count of Article Views (full-text article views including HTML views, PDF and ePub downloads, according to the available data) and Abstracts Views on Vision4Press platform.
Data correspond to usage on the plateform after 2015. The current usage metrics is available 48-96 hours after online publication and is updated daily on week days.
Initial download of the metrics may take a while.