Dual translocation pathways in smectic liquid crystals facilitated by molecular flexibility

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2013
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Mukherjee, Biswaroop
Kremer, Kurt
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We investigate translocation mechanisms in smectic A liquid crystals (LCs) by a realistic, coarse-grained model of a LC compound comprising a stiff azobenzene core with flexible tails. We observe that the molecules can permeate from one smectic layer to the next via two different mechanisms, with and without significant reorientation, the former being facilitated through transverse interlayer intermediates. This is possible due to the intrinsic flexibility of the molecules. The two processes lead to characteristic signatures in the Van Hove self-correlation function, which can also be observed experimentally.

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ISO 690MUKHERJEE, Biswaroop, Christine PETER, Kurt KREMER, 2013. Dual translocation pathways in smectic liquid crystals facilitated by molecular flexibility. In: Physical Review E. 2013, 88(1). ISSN 1539-3755. eISSN 1550-2376. Available under: doi: 10.1103/PhysRevE.88.010502
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@article{Mukherjee2013trans-25199,
  year={2013},
  doi={10.1103/PhysRevE.88.010502},
  title={Dual translocation pathways in smectic liquid crystals facilitated by molecular flexibility},
  number={1},
  volume={88},
  issn={1539-3755},
  journal={Physical Review E},
  author={Mukherjee, Biswaroop and Peter, Christine and Kremer, Kurt}
}
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