Active Phases for Particles on Resource Landscapes
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arXiv
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| Hauptverfasser: | , , , |
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| Format: | Preprint |
| Veröffentlicht: |
2021
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| _version_ | 1866910415307407360 |
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| author | Varga, L. Libal, A. Reichhardt, C. J. O. Reichhardt, C. |
| author_facet | Varga, L. Libal, A. Reichhardt, C. J. O. Reichhardt, C. |
| contents | We introduce an active matter model composed of sterically interacting particles which absorb resources from a substrate and move in response to resource gradients. For varied ratios of absorption rate to substrate recovery rate, we find a variety of phases including periodic waves, partial clustering, stochastic motion, and a frozen state. If passive particles are added, they can form crystalline clusters in an active fluid. This model could be implemented using colloidal systems on feedback landscapes and can provide a soft matter realization of excitable media and ecological systems. |
| format | Preprint |
| id |
arxiv_https___arxiv_org_abs_2108_09359 |
| institution | arXiv |
| publishDate | 2021 |
| record_format | arxiv |
| spellingShingle | Active Phases for Particles on Resource Landscapes Varga, L. Libal, A. Reichhardt, C. J. O. Reichhardt, C. Soft Condensed Matter We introduce an active matter model composed of sterically interacting particles which absorb resources from a substrate and move in response to resource gradients. For varied ratios of absorption rate to substrate recovery rate, we find a variety of phases including periodic waves, partial clustering, stochastic motion, and a frozen state. If passive particles are added, they can form crystalline clusters in an active fluid. This model could be implemented using colloidal systems on feedback landscapes and can provide a soft matter realization of excitable media and ecological systems. |
| title | Active Phases for Particles on Resource Landscapes |
| topic | Soft Condensed Matter |
| url | https://arxiv.org/abs/2108.09359 |