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- Center for Astrophysics Harvard & SmithsonianUS24 papers
- University of CambridgeGB21 papers
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- University of OxfordGB20 papers
- The Ohio State UniversityUS18 papers
- California Institute of TechnologyUS17 papers
- Centre National de la Recherche ScientifiqueFR16 papers
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- The University of TokyoJP15 papers
12 papers · 1 filter
Simple models for two-dimensional tunable colloidal crystals in rotating ac electric fields
Nils Elsner, C. Patrick Royall, Brian Vincent +1
We compare the behavior of a new two-dimensional aqueous colloidal model system with a simple numerical treatment. To the first order the attractive interaction between the colloid…
Local structure and dynamics in colloidal fluids and gels
Takehiro Ohtsuka, C. Patrick Royall, Hajime Tanaka
Gels in soft-matter systems are an important nonergodic state of matter. We study a colloid-polymer mixture which is quenched by increasing the polymer concentration, from a fluid…
Interfacial and wetting properties of a binary point Yukawa fluid
Paul Hopkins, Andrew J. Archer, Robert Evans
We investigate the interfacial phase behavior of a binary fluid mixture composed of repulsive point Yukawa particles. Using a simple approximation for the Helmholtz free energy fun…
Mechanical response of active gels
T. B. Liverpool, M. C. Marchetti, J. -F. Joanny +1
We study a model of an active gel of cross-linked semiflexible filaments with additional active linkers such as myosin II clusters. We show that the coupling of the elasticity of t…
Complex Spontaneous Flows and Concentration Banding in Active Polar Films
Luca Giomi, M. Cristina Marchetti, Tanniemola B. Liverpool
We study the dynamical properties of active polar liquid crystalline films. Like active nematic films, active polar films undergo a dynamical transitions to spontaneously flowing s…
Short-time inertial response of viscoelastic fluids measured with Brownian motion and with active probes
M. Atakhorrami, D. Mizuno, G. H. Koenderink +3
We have directly observed short-time stress propagation in viscoelastic fluids using two optically trapped particles and a fast interferometric particle-tracking technique. We have…