Phase behaviour and dynamics of three-dimensional active dumbbell systems
We present a comprehensive numerical study of the phase behavior and dynamics of a three-dimensional active dumbbell system with attractive interactions. We demonstrate that attraction is essential for the system to exhibit nontrivial phases. We construct a detailed phase diagram by exploring the ef...
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Zusammenfassung: | We present a comprehensive numerical study of the phase behavior and dynamics
of a three-dimensional active dumbbell system with attractive interactions. We
demonstrate that attraction is essential for the system to exhibit nontrivial
phases. We construct a detailed phase diagram by exploring the effects of the
system's activity, density, and attraction strength. We identify several
distinct phases, including a disordered, a gel, and a completely
phase-separated phase. Additionally, we discover a novel dynamical phase, that
we name percolating network, which is characterized by the presence of a
spanning network of connected dumbbells. In the phase-separated phase we
characterize numerically and describe analytically the helical motion of the
dense cluster. |
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DOI: | 10.48550/arxiv.2308.00532 |