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  Lattice Boltzmann and Jones matrix calculations for the determination of the director field structure in self-propelling nematic droplets

Bahr, C. (2021). Lattice Boltzmann and Jones matrix calculations for the determination of the director field structure in self-propelling nematic droplets. Physical Review E, 104: 044703. doi:10.1103/PhysRevE.104.044703.

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 Creators:
Bahr, Christian1, Author              
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1Group Structure formation in soft matter, Department of Dynamics of Complex Fluids, Max Planck Institute for Dynamics and Self-Organization, Max Planck Society, ou_2063301              

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 Abstract: Nematic droplets immersed in aqueous surfactant solutions can show a self-propelled motion induced by a Marangoni flow in the droplet surface. In addition to the self-propulsion, the Marangoni flow induces within the droplet a convective flow wich considerably influences the nematic director field of the droplet. We report numerical simulations aiming at the determination of the director field in the self-propelling droplet. The convective flow and the resulting structure of director field are described by a lattice Boltzmann model. The reliability of the obtained structures is proved by subsequent Jones matrix calculations which enable the direct comparison of experimental polarizing microscopy images of self-propelling droplets with calculated images based on the simulated structures.

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 Dates: 2021-09-242021-10-132021
 Publication Status: Published in print
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 Rev. Type: -
 Identifiers: DOI: 10.1103/PhysRevE.104.044703
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Title: Physical Review E
  Other : Phys. Rev. E
Source Genre: Journal
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Publ. Info: Melville, NY : American Physical Society
Pages: 14 Volume / Issue: 104 Sequence Number: 044703 Start / End Page: - Identifier: ISSN: 1539-3755
CoNE: https://pure.mpg.de/cone/journals/resource/954925225012