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  • Title: Micro-phase separation in two dimensional suspensions of self-propelled spheres and dumbbells.
    Author: Tung C, Harder J, Valeriani C, Cacciuto A.
    Journal: Soft Matter; 2016 Jan 14; 12(2):555-61. PubMed ID: 26497979.
    Abstract:
    We use numerical simulations to study the phase behavior of self-propelled spherical and dumbbellar particles interacting via micro-phase separation inducing potentials. Our results indicate that under the appropriate conditions, it is possible to drive the formation of two new active states; a spinning cluster crystal, i.e. an ordered mesoscopic phase having finite size spinning crystallites as lattice sites, and a fluid of living clusters, i.e. a two dimensional fluid where each "particle" is a finite size living cluster. We discuss the dynamics of these phases and suggest ways of extending their stability under a wide range of active forces.
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