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Elastic interaction between colloidal particles in confined nematic liquid crystals | | S. B. Chernyshuk
; B.I.Lev
; | | Date: |
5 Dec 2009 | | Abstract: | The theory of elastic interaction of micron size axially symmetric colloidal
particles immersed into confined nematic liquid crystal has been proposed.
General formulas are obtained for the self energy of one colloidal particle and
interaction energy between two particles in arbitrary confined NLC with strong
anchoring condition on the bounding surface. Particular cases of dipole-dipole
interaction in the homeotropic and planar nematic cell are considered and found
to be exponentially decreasing on far distances with decay length
$lambda_{dd}=frac{L}{pi}$. It is predicted that in the planar cell the
attraction and repulsion zones of usual dipole-dipole interaction crucially
change. As well it is predicted that extit{decay length} for dipole
interaction extit{is twice more} than for quadrupole interaction in the
homeotropic cell. | | Source: | arXiv, 0912.1006 | | Services: | Forum | Review | PDF | Favorites | |
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