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Orientation dependence of the elastic instability on strained SiGe films
Orientation dependence elastic instability strained SiGe films
2010/11/23
At low strain, SiGe films on Si substrates undergo a continuous nucleationless morphological evolution known as the Asaro-Tiller-Grinfeld instability. We demonstrate experimentally that this instabili...
Instability and Vortex Rings Dynamics in a Three-Dimensional Superfluid Flow Through a Constriction
Instability Vortex Rings Three-Dimensional Superfluid Flow
2010/11/25
We study the instability of a superfluid flow through a constriction in three spatial dimensions.We consider a Bose-Einstein condensate at zero temperature in two different geometries: a straight wave...