| Diffusion-induced oscillations of extended defects. | |
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MedLine Citation:
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PMID: 22400867 Owner: NLM Status: In-Data-Review |
Abstract/OtherAbstract:
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From a simple model for the driven motion of a planar interface under the influence of a diffusion field we derive a damped nonlinear oscillator equation for the interface position. Inside an unstable regime, where the damping term is negative, we find limit-cycle solutions, describing an oscillatory propagation of the interface. In the case of a growing solidification front this offers a transparent scenario for the formation of solute bands in binary alloys and, taking into account the Mullins-Sekerka instability, of banded structures. |
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Authors:
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Alexander L Korzhenevskii; Richard Bausch; Rudi Schmitz |
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Publication Detail:
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Type: Journal Article Date: 2012-01-25 |
Journal Detail:
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Title: Physical review letters Volume: 108 ISSN: 1079-7114 ISO Abbreviation: Phys. Rev. Lett. Publication Date: 2012 Jan |
Date Detail:
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Created Date: 2012-03-09 Completed Date: - Revised Date: - |
Medline Journal Info:
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Nlm Unique ID: 0401141 Medline TA: Phys Rev Lett Country: United States |
Other Details:
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Languages: eng Pagination: 046101 Citation Subset: IM |
Affiliation:
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Institute for Problems of Mechanical Engineering, RAS, Bol'shoi prospect V.O., 61, St Petersburg, 199178, Russia. |
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From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine
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