Restricted solid-on-solid growth model with a defect site in a two-dimensional substrate

A restricted solid-on-solid growth model with a defect in the middle of a two-dimensional substrate is studied. A particle is deposited with a probability P at the defect site and with P = 1 at the other sites under a restriction on the local height difference. When P is small, the strength of the d...

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Bibliographic Details
Published in:Journal of the Korean Physical Society 2013, 62(1), , pp.14-17
Main Authors: Song, Hyun Suk, Kim, Jin Min
Format: Article
Language:English
Subjects:
Mathematical and Computational Physics
Particle and Nuclear Physics
Physics
Physics and Astronomy
Theoretical
물리학
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Summary:A restricted solid-on-solid growth model with a defect in the middle of a two-dimensional substrate is studied. A particle is deposited with a probability P at the defect site and with P = 1 at the other sites under a restriction on the local height difference. When P is small, the strength of the defect is strong enough to make a surface facet. For P > P c , the defect site distorts the surface weakly without producing a facet surface. At P = P c , the height difference correlation function C ( r ) shows a power-law behavior C ( r ) ∼ r δ with δ ≈ 1/2. Other critical exponents near the facet transition are also discussed.
ISSN:0374-4884
1976-8524
DOI:10.3938/jkps.62.14