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20 papers · 1 filter
Local Oscillatory Rheology from Echography
Brice Saint-Michel, Thomas Gibaud, Mathieu Leocmach +1
Local Oscillatory Rheology from Echography (LORE) consists in a traditional rheology experiment synchronized with high-frequency ultrasonic imaging which gives access to the local…
Diffusiophoresis at the macroscale
Cyril Mauger, Romain Volk, Nathanael Machicoane +4
Diffusiophoresis, a ubiquitous phenomenon that induces particle transport whenever solute concentration gradients are present, was recently observed in the context of microsystems…
Unveiling the structural arrangements responsible for the atomic dynamics in metallic glasses during physical aging
V. M. Giordano, B. Ruta
Understanding and controlling physical aging, i.e. the spontaneous temporal evolution of out-of-equilibrium systems, represents one of the greatest tasks in material science. Recen…
Mechanical loss in state-of-the-art amorphous optical coatings
Massimo Granata, Emeline Saracco, Nazario Morgado +9
We present the results of mechanical characterizations of many different high-quality optical coatings made of ion-beam-sputtered titania-doped tantala and silica, developed origin…
Velocity condensation for magnetotactic bacteria
Jean-Francois Rupprecht, Nicolas Waisbord, Christophe Ybert +2
Magnetotactic swimmers tend to align along magnetic field lines against stochastic reorientations. We show that the swimming strategy, e.g. active Brownian motion versus run-and-tu…
Realizing the physics of motile cilia synchronization with driven colloids
Nicolas Bruot, Pietro Cicuta
Cilia and flagella in biological systems often show large scale cooperative behaviors such as the synchronization of their beats in "metachronal waves". These are beautiful example…