Tilt grain boundary instabilities in three-dimensional lamellar patterns.

Abstract

We identify a finite wave-number instability of a 90 degrees tilt grain boundary in three-dimensional lamellar phases which is absent in two-dimensional configurations. Both a stability analysis of the slowly varying amplitude or envelope equation for the boundary, and a direct numerical solution of an order parameter model equation are presented. The… (More)

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@article{Huang2005TiltGB, title={Tilt grain boundary instabilities in three-dimensional lamellar patterns.}, author={Zhifeng Huang and Jorge Vi{\~n}als}, journal={Physical review. E, Statistical, nonlinear, and soft matter physics}, year={2005}, volume={71 3 Pt 1}, pages={031501} }