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- Centre National de la Recherche ScientifiqueFR82 papers
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8 papers · 2 filters
On the Bauschinger effect in supercoooled melts under shear: results from mode coupling theory and molecular dynamics simulations
Fabian Frahsa, Amit Kumar Bhattacharjee, Jürgen Horbach +2
We study the nonlinear rheology of a glass-forming binary mixture under the reversal of shear flow using molecular dynamics simulations and a schematic model of the mode-coupling t…
Overshoots in stress strain curves: Colloid experiments and schematic mode coupling theory
Christian P. Amann, Miriam Siebenbürger, Matthias Krüger +3
The stress versus strain curves in dense colloidal dispersions under start-up shear flow are investigated combining experiments on model core-shell microgels, computer simulations…
Comparison of 2D melting criteria in a colloidal system
Patrick Dillmann, Georg Maret, Peter Keim
We use super-paramagnetic spherical particles which are arranged in a two-dimensional monolayer at a water/air interface to investigate the crystal to liquid phase transition. Acco…
Nonlinear microrheology of dense colloidal suspensions: a mode-coupling theory
Igor Gazuz, Matthias Fuchs
A mode-coupling theory for the motion of a strongly forced probe particle in a dense colloidal suspension is presented. Starting point is the Smoluchowski equation for bath and…
Probability densities of a forced probe particle in glass: results from mode coupling theory and simulations of active microrheology
Christian J. Harrer, Antonio M. Puertas, Thomas Voigtmann +1
We investigate the displacements of a probe particle inside a glass, when a strong external force is applied to the probe (active nonlinear microrheology). Calculations within mode…
First-Principles Constitutive Equation for Suspension Rheology
J. M. Brader, M. E. Cates, M. Fuchs
We provide a detailed derivation of a recently developed first-principles approach to calculating averages in systems of interacting, spherical Brownian particles under time-depend…