Condensation and Synchronization in Aligning Chiral Active Matter Article Swipe

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Yujia Wang , Bruno Ventéjou , Hugues Chaté , Xia-qing Shi ·

YOU? · · 2024 · Open Access · · DOI: https://doi.org/10.48550/arxiv.2407.00458

We show that spontaneous density segregation in dense systems of aligning circle swimmers is a condensation phenomenon at odds with the phase separation scenarios usually observed in two-dimensional active matter. The condensates, which take the form of vortices or rotating polar packets, can absorb a finite fraction of the particles in the system, and keep a finite or slowly growing size as their mass increases. Our results are obtained both at particle and continuous levels. We consider both ferromagnetic and nematic alignment, and both identical and disordered chiralities. Condensation implies synchronization, even though our systems are in 2D and bear strictly local interactions. We propose a phenomenological theory based on observed mechanisms that accounts qualitatively for our results.

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Condensation Active matter Synchronization (alternating current) Chemistry Computer science Physics Thermodynamics Biology Computer network Cell biology Channel (broadcasting)

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Type: preprint
Language: en
Landing Page: http://arxiv.org/abs/2407.00458
PDF: https://arxiv.org/pdf/2407.00458
OA Status: green
Related Works: 10
OpenAlex ID: https://openalex.org/W4400343144

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DOI: https://doi.org/10.48550/arxiv.2407.00458

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Title: Condensation and Synchronization in Aligning Chiral Active Matter

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Type: preprint

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Language: en

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Publication year: 2024

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Publication date: 2024-06-29

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Authors: Yujia Wang, Bruno Ventéjou, Hugues Chaté, Xia-qing Shi

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Landing page: https://arxiv.org/abs/2407.00458

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PDF URL: https://arxiv.org/pdf/2407.00458

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Concepts: Condensation, Active matter, Synchronization (alternating current), Chemistry, Computer science, Physics, Thermodynamics, Biology, Computer network, Cell biology, Channel (broadcasting)

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