Physics – Condensed Matter – Soft Condensed Matter
Scientific paper
2002-05-13
Physics
Condensed Matter
Soft Condensed Matter
17 pages
Scientific paper
We present theoretical study of a single disclination motion in a thin free standing hexatic (or smectic-C) film, driven by a large-scale inhomogeneity in the bond (or director) angle. Back-flow effects and own dynamics of the bond angle are included. We find the angle and hydrodynamic velocity distributions around the moving disclination, what allows us to relate the disclination velocity to the angle gradient far from the disclination. Different cases are examined depending on the ratio of the rotational and shear viscosity coefficients.
Kats E. I.
Lebedev Vladimir
Malinin Sergey V.
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