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Colloidal entanglement in highly twisted chiral nematic colloids: twisted loops, Hopf links, and trefoil knots.

Abstract:

The topology and geometry of closed defect loops is studied in chiral nematic colloids with variable chirality. The colloidal particles with perpendicular surface anchoring of liquid crystalline molecules are inserted in a twisted nematic cell with the thickness that is only slightly larger than the diameter of the colloidal particle. The total twist of the chiral nematic structure in cells with parallel boundary conditions is set to 0, π, 2π, and 3π, respectively. We use the laser tweezers t...

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Publisher copy:
10.1103/physreve.84.031703

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Institution:
University of Oxford
Division:
MPLS
Department:
Physics
Role:
Author
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Journal:
Physical review. E, Statistical, nonlinear, and soft matter physics
Volume:
84
Issue:
3 Pt 1
Pages:
031703
Publication date:
2011-09-01
DOI:
EISSN:
1550-2376
ISSN:
1539-3755
Source identifiers:
198794
Language:
English
Pubs id:
pubs:198794
UUID:
uuid:a9809510-487a-4e81-afc8-687f4e07bfb8
Local pid:
pubs:198794
Deposit date:
2012-12-19

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