| Numéro |
J. Phys. I France
Volume 7, Numéro 12, December 1997
|
|
|---|---|---|
| Page(s) | 1627 - 1638 | |
| DOI | https://doi.org/10.1051/jp1:1997105 | |
DOI: 10.1051/jp1:1997105
J. Phys. I France 7 (1997) 1627-1638
Fachbereich Physik, Universität GH Essen, 45117 Essen, Germany
(Received 28 July 1997, accepted 28 August 1997)
© Les Editions de Physique 1997
J. Phys. I France 7 (1997) 1627-1638
Damping of Growth Oscillations in Molecular Beam Epitaxy: A Renormalization Group Approach
Martin Rost and Joachim KrugFachbereich Physik, Universität GH Essen, 45117 Essen, Germany
(Received 28 July 1997, accepted 28 August 1997)
Abstract
The conserved Since-Gordon equation with nonconserved shot noise is used to model homoepitaxial crystal growth. With increasing
coverage the renormalized pinning potential changes from strong to weak. This is interpreted as a transition from layer-by-layer
to rough growth. The associated length and time scales are identified, and found to agree with recent scaling arguments. A
heuristically postulated nonlinear term
is created under renormalization.
© Les Editions de Physique 1997