Abnormal Rolls and Regular Arrays of Disclinations in Homeotropic Electroconvection

Details Abnormal Rolls and Regular Arrays of Disclinations in Homeotropic Electroconvection Abnormal Rolls and Regular Arrays of Disclinations in Homeotropic Electroconvection

1999-09-29

arxiv.org/abs/patt-sol/9909010v1

Nonlinear Sciences

Pattern Formation and Solitons

4 pages; 4 figures

Scientific paper

10.1103/PhysRevE.61.R25

We present the first quantitative verification of an amplitude description for systems with (nearly) spontaneously broken isotropy, in particular for the recently discovered abnormal-roll states. We also obtain a conclusive picture of the 3d director configuration in a spatial period doubling phenomenon involving disclination loops (CRAZY rolls). The first observation of two Lifshitz frequencies in electroconvection is reported.

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