Time evolution of neighbor-pair mutual information in collectively moving active granular particles
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DOI: 10.1016/j.cjph.2019.06.003
Abstract: Abstract In recent decades, significant progress has been made in the field of active-matter research. Studies on biological active systems, in particular, have begun to adapt information-theoretic approaches in studying collective behavior in various systems.… read more here.
Keywords: mutual information; system; active granular; speed polarization ... See more keywords
Experimental investigation of active noise on a rotor in an active granular bath.
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DOI: 10.1039/d1sm01798e
Abstract: In an active bath, besides thermal noise, immersed passive objects also persistently experience collisions from active particles, which are often coarse-grained into a colored active noise with an assumed exponential time correlation. The exponentially correlated… read more here.
Keywords: rotor; noise; active noise; granular bath ... See more keywords
Spontaneous population oscillation of confined active granular particles.
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DOI: 10.1039/d2sm00134a
Abstract: Spontaneous collective oscillation may emerge from seemingly irregular active matter systems. Here, we experimentally demonstrate a spontaneous population oscillation of active granular particles confined in two chambers connected by a narrow channel, and verify the… read more here.
Keywords: active granular; population oscillation; granular particles; oscillation ... See more keywords