Ioana C. Gârlea

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We theoretically and experimentally study nematic liquid crystal equilibria within shallow rectangular wells. We model the wells within a two-dimensional Oseen-Frank framework, with strong tangent anchoring, and obtain explicit analytical expressions for the director fields and energies of the 'diagonal' and 'rotated' solutions reported in the literature.(More)
When liquid crystals are confined to finite volumes, the competition between the surface anchoring imposed by the boundaries and the intrinsic orientational symmetry-breaking of these materials gives rise to a host of intriguing phenomena involving topological defect structures. For synthetic molecular mesogens, like the ones used in liquid-crystal(More)
Using Monte Carlo simulations, we study rod-like lyotropic liquid crystals confined to a square slab-like geometry with lateral dimensions comparable to the length of the particles. We observe that this system develops linear defect structures upon entering the planar nematic phase. These defect structures flank a lens-shaped nematic region oriented along a(More)
Nature Communications 7:12112 doi: 10.1038/ncomms12112 (2016); Published 29 Jun 2016; Updated 3 Aug 2016 The present address for Ioana C. Gârlea is incorrect in this Article. The correct present address for this author is given below: Faculty of Physics, University of Vienna, Boltzmanngasse 5, A-1090 Vienna, Austria. The name of this author is also(More)
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