Effects of edge pinning on the melting transition of a two-dimensional solid

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Effects of edge pinning on the melting transition of a two-dimensional solid

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dc.contributor.author Novaco, Anthony D.
dc.date.accessioned 2011-03-14T14:39:37Z
dc.date.available 2011-03-14T14:39:37Z
dc.date.issued 1987-06-01
dc.identifier.citation Novaco, A. D. (1987). "Effects of edge pinning on the melting transition of a two-dimensional solid." Physical Review B 35 (16): 8621-8629. en_US
dc.identifier.uri http://hdl.handle.net/10385/814
dc.description.abstract A molecular-dynamics simulation was used to examine how the pinning of edge particles affects the nature and the dynamics of the melting transition for a two-dimensional solid. The system consisted of 256 particles interacting through an inverse-power of r repulsive potential. These particles were confined by periodic boundary conditions in one direction and by two pinned walls (lines of particles) in the other. The results are compared to a system of 256 particles with the usual periodic boundary conditions. The pinned walls shifted the transition temperature and substantially increased the temperature range over which melting takes place. The fluctuations found in the periodic system are significantly reduced by the presence of the walls. Furthermore, these walls tend to stabilize the interface between the solidlike and liquidlike domains, and produce a spatially separated two-phase system. The structural effects of the walls were found to propagate relatively far into the system. The existence of pinned walls has important effects on both the thermodynamic functions and the structural properties of the system. en_US
dc.publisher Physical Review B en_US
dc.title Effects of edge pinning on the melting transition of a two-dimensional solid en_US
dc.type Article en_US

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