Publication: Growth dynamics of crystalline tensionlless surfaces
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1997-06-30
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American Physical Society
Abstract
We introduce a model for two-dimensional crystalline tensionless surfaces. In equilibrium, the
model exhibits a roughening transition to the high temperature phase of the sine-Gordon (sG)
model, though its initial stages are rougher and described by the linear molecular beam epitaxy
equation; the transition temperature is about half the sG one. Depending on distance to equilibrium
and temperature, the model can behave as a nonmoving flat interface, a moving interface with
oscillatory roughness, or a rough moving interface. Possible experimental applications are discussed.
[S0031-9007(97)03495-9]
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Bibliographic citation
Physical Review Letters, vol. 78, n. 26, 30 june 1997. Pp. 4982-4985