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- Instituto de Astrofísica de CanariasES392 papers
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5 papers · 2 filters
Activity induced collapse and re-expansion of rigid polymers
Joseph Harder, Chantal Valeriani, Angelo Cacciuto
We study the elastic properties of a rigid filament in a bath of self-propelled particles. We find that while fully flexible filaments swell monotonically upon increasing the stren…
Virial coefficients and demixing in the Asakura-Oosawa model
Mariano López de Haro, Carlos F. Tejero, Andrés Santos +3
The problem of demixing in the Asakura-Oosawa colloid-polymer model is considered. The critical constants are computed using truncated virial expansions up to fifth order. While th…
The role of particle shape in active depletion
J. Harder, S. A. Mallory, C. Tung +2
Using numerical simulations, we study how a solution of small active disks, acting as depletants, induces effective interactions on large passive colloids. Specifically, we analyze…
Curvature Induced Activation of a Passive Tracer in an Active Bath
S. A. Mallory, C. Valeriani, A. Cacciuto
We use numerical simulations to study the motion of a large asymmetric tracer immersed in a low density suspension of self-propelled nanoparticles in two dimensions. Specifically,…
Avalanches mediate crystallization in a hard-sphere glass
Eduardo Sanz, Chantal Valeriani, Emanuela Zaccarelli +3
By molecular-dynamics simulations, we have studied the devitrification (or crystallization) of aged hard-sphere glasses. First, we find that the dynamics of the particles are inter…