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Growth dynamics of crystalline tensionlless surfaces

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URI: http://hdl.handle.net/10016/14930
ISSN: 0031-9007 (prin version)
ISSN: 1079-7114 (online version)
DOI: https://www.doi.org/10.1103/PhysRevLett.78.4982
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growth_PRL_1997.pdf (101.08 KB)
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1997-06-30
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American Physical Society
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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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Physical Review Letters, vol. 78, n. 26, 30 june 1997. Pp. 4982-4985
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