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Defect driven shapes in nematic droplets: analogies with cell division
Marco Leoni, Oksana V. Manyuhina, Mark J. Bowick +1
Building on the striking similarity between the structure of the spindle during mitosis in living cells and nematic textures in confined liquid crystals, we use a continuum model o…
Kinetics of motility-induced phase separation and swim pressure
Adam Patch, David Yllanes, M. Cristina Marchetti
Active Brownian particles (ABPs) represent a minimal model of active matter consisting of self-propelled spheres with purely repulsive interactions and rotational noise. Here, we e…
Negative stiffness and modulated states in active nematics
Pragya Srivastava, Prashant Mishra, M. Cristina Marchetti
We examine the dynamics of a compressible active nematic liquid crystal on a frictional substrate. When frictional damping dominates over viscous dissipation, we eliminate flow in…
Shape and Displacement Fluctuations in Soft Vesicles Filled by Active Particles
Matteo Paoluzzi, Roberto Di Leonardo, M Cristina Marchetti +1
We investigate numerically the dynamics of shape and displacement fluctuations of two-dimensional flexible vesicles filled with active particles. At low concentration most of the a…
Correlation lengths in hydrodynamic models of active nematics
E. J. Hemingway, P. Mishra, M. C. Marchetti +1
We examine the scaling with activity of the emergent length scales that control the nonequilibrium dynamics of an active nematic liquid crystal, using two popular hydrodynamic mode…