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Viscous Rayleigh-Taylor instability experiments at high pressure and strain rate.
MedLine Citation:
PMID:  20481894     Owner:  NLM     Status:  PubMed-not-MEDLINE    
Abstract/OtherAbstract:
Experimental results showing significant reductions from classical in the Rayleigh-Taylor instability growth rate due to high pressure effective lattice viscosity are presented. Using a laser created ramped drive, vanadium samples are compressed and accelerated quasi-isentropically at approximately 1 Mbar peak pressures, while maintaining the sample in the solid state. Comparisons with simulations and theory indicate that the high pressure, high strain rate conditions trigger a phonon drag mechanism, resulting in the observed high effective lattice viscosity and strong stabilization of the Rayleigh-Taylor instability.
Authors:
Hye-Sook Park; K T Lorenz; R M Cavallo; S M Pollaine; S T Prisbrey; R E Rudd; R C Becker; J V Bernier; B A Remington
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Publication Detail:
Type:  Journal Article     Date:  2010-04-02
Journal Detail:
Title:  Physical review letters     Volume:  104     ISSN:  1079-7114     ISO Abbreviation:  Phys. Rev. Lett.     Publication Date:  2010 Apr 
Date Detail:
Created Date:  2010-05-20     Completed Date:  2010-08-11     Revised Date:  2011-02-02    
Medline Journal Info:
Nlm Unique ID:  0401141     Medline TA:  Phys Rev Lett     Country:  United States    
Other Details:
Languages:  eng     Pagination:  135504     Citation Subset:  -    
Affiliation:
Lawrence Livermore National Laboratory, Livermore, California 94550, USA.
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Comment In:
Phys Rev Lett. 2010 Oct 22;105(17):179601; author reply 179602   [PMID:  21231088 ]

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