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6 papers · 2 filters
Geometry-driven folding of a floating annular sheet
Joseph D. Paulsen, Vincent Démery, K. Buğra Toga +4
Predicting the large-amplitude deformations of thin elastic sheets is difficult due to the complications of self-contact, geometric nonlinearities, and a multitude of low-lying ene…
A model for approximately stretched-exponential relaxation with continuously varying stretching exponents
Joseph D. Paulsen, Sidney R. Nagel
Relaxation in glasses is often approximated by a stretched-exponential form: . Here, we show that the relaxation in a model of sheared non-Brownian suspen…
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…
Non-Hookean statistical mechanics of clamped graphene ribbons
Mark J. Bowick, Andrej Kosmrlj, David R. Nelson +1
Thermally fluctuating sheets and ribbons provide an intriguing forum in which to investigate strong violations of Hooke's Law: large distance elastic parameters are in fact not con…
Probing the shear viscosity of an active nematic
Pau Guillamat, Jordi Ignés-Mullol, Suraj Shankar +2
In vitro reconstituted active systems, such as the ATP-driven microtubule bundle suspension developed by the Dogic group, provide a fertile testing ground for elucidating the pheno…