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9 papers · 1 filter
Dynamical Sub-classes of Dry Active Nematics
Li-bing Cai, Hugues Chaté, Yu-qiang Ma +1
We show that the dominant mode of alignment plays an important role in dry active nematics,leading to two dynamical sub-classes defined by the nature of the instability of the nema…
Transition between globule and stretch states of a self-attracting chain in the repulsive active particle bath
Yi-qi Xia, Wen-jie Shan, Wen-de Tian +2
Folding and unfolding of biopolymers are often manipulated in experiment by tuning pH, temperature, single-molecule force or shear field. Here we carry out Brownian dynamics simula…
Active Matter Class with Second-Order Transition to Quasi-Long-Range Polar Order
B. Mahault, X. -c. Jiang, E. Bertin +4
We introduce and study in two dimensions a new class of dry, aligning, active matter that exhibits a direct transition to orientational order, without the phase-separation phenomen…
Self-Assembled Chiral Photonic Crystals From Colloidal Helices Racemate
Qun-li Lei, Ran Ni, Yu-qiang Ma
Chiral crystals consisting of micro-helices have many optical properties while presently available fabrication processes limit their large-scale applications in photonic devices. H…
New Field Model of Polymer/Nanoparticle Mixture-Realizing Discreteness in the Continuous Description
Hui-shu Li, Bo-kai Zhang, Jian Li +2
Field-theoretical method is efficient in predicting the assembling structures of polymeric systems. However, for the polymer/nanoparticle mixture, the continuous density descriptio…
Brush in the bath of active particles: anomalous stretching of chains and distribution of particles
Hui-shu Li, Bo-kai Zhang, Jian Li +2
The interaction between polymer brush and colloidal particles has been intensively studied in the last two decades. Here we consider a flat chain-grafted substrate immersed in a ba…