On the significance of conservation laws in two-dimensional melting

A. Holz

Physica A: Statistical Mechanics and its Applications, 1985, vol. 131, issue 1, 212-227

Abstract: The conservation laws to be obeyed by defect systems containing point defects, dislocations, disclinations and domain boundaries are established and their significance for the solid state and the melting transition is discussed. The formation process of disclinations in solids, as well as their interaction laws with each other and with dislocations is discussed in view of the conservation laws to be obeyed by the system. It is shown that in the dislocation pair approximation to RPA (random phase approximation) melting is connected with an instability of disclination quadrupoles, originating from a sign reversal of the interaction constant of oppositely charged disclinations from repulsive (solid) to attractive (liquid).

Date: 1985
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Persistent link: https://EconPapers.repec.org/RePEc:eee:phsmap:v:131:y:1985:i:1:p:212-227

DOI: 10.1016/0378-4371(85)90087-1

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