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6 papers · 2 filters
Vibrational modes identify soft spots in a sheared disordered packing
M. Lisa Manning, Andrea J. Liu
We analyze low-frequency vibrational modes in a two-dimensional, zero-temperature, quasistatically sheared model glass to identify a population of structural "soft spots" where par…
Crystalline Order on Catenoidal Capillary Bridges
Mark J. Bowick, Zhenwei Yao
We study the defect structure of crystalline particle arrays on negative Gaussian curvature capillary bridges with vanishing mean curvature (catenoids). The threshold aspect ratio…
The shrinking instability of toroidal liquid droplets in the Stokes flow regime
Zhenwei Yao, Mark Bowick
We analyze the stability and dynamics of toroidal liquid droplets. In addition to the Rayleigh instabilities akin to those of a cylindrical droplet there is a shrinking instability…
Instabilities and Oscillations in Isotropic Active Gels
Shiladitya Banerjee, M. Cristina Marchetti
We present a generic formulation of the continuum elasticity of an isotropic crosslinked active gel. The gel is described by a two-component model consisting of an elastic network…
Paraboloidal Crystals
Luca Giomi, Mark Bowick
The interplay between order and geometry in soft condensed matter systems is an active field with many striking results and even more open problems. Ordered structures on curved su…
Sheared active fluids: thickening, thinning and vanishing viscosity
Luca Giomi, M. Cristina Marchetti, Tanniemola B. Liverpool
We analyze the behavior of a suspension of active polar particles under shear. In the absence of external forces, orientationally ordered active particles are known to exhibit a tr…