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522 papers · 1 filter
Active shape-morphing elastomeric colloids in short-pitch cholesteric liquid crystals
Julian S. Evans, Yaoran Sun, Bohdan Senyuk +4
Active elastomeric liquid crystal particles with initial cylindrical shapes are obtained by means of soft lithography and polymerization in a strong magnetic field. Gold nanocrysta…
Two-dimensional skyrmions and other solitonic structures in confinement-frustrated chiral nematics
Paul J. Ackerman, Rahul P. Trivedi, Bohdan Senyuk +2
We explore spatially localized solitonic configurations of a director field, generated using optical realignment and laser-induced heating, in frustrated chiral nematic liquid crys…
Reconfigurable interactions and three-dimensional patterning of colloidal particles and defects in lamellar soft media
Rahul P. Trivedi, Ivan I. Klevets, Bohdan Senyuk +2
Colloidal systems find important applications ranging from fabrication of photonic crystals to direct probing of phenomena typically encountered in atomic crystals and glasses. New…
Magnetospheric Multiscale Observations of Electron Vortex Magnetic Hole in the Magnetosheath Turbulent Plasma
S. Y. Huang, F. Sahraoui, Z. G. Yuan +29
We report the observations of an electron vortex magnetic hole corresponding to a new type of coherent structures in the magnetosheath turbulent plasma using the Magnetospheric Mul…
A reduced model for salt-finger convection in the small diffusivity ratio limit
Jin-Han Xie, Benjamin Miquel, Keith Julien +1
A simple model of nonlinear salt-finger convection in two dimensions is derived and studied. The model is valid in the limit of small solute to heat diffusivity ratio and large den…
Edge pinning and transformation of defect lines induced by faceted colloidal rings in nematic liquid crystals
Bohdan Senyuk, Qingkun Liu, Ye Yuan +1
Nematic colloids exhibit a large diversity of topological defects and structures induced by colloidal particles in the orientationally ordered liquid crystal host fluids. These def…