Phase behaviour and dynamics of three-dimensional active dumbbell systems
Fuente:
arXiv
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| Autori principali: | , , , , , , |
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| Natura: | Preprint |
| Pubblicazione: |
2023
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| Soggetti: | |
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| _version_ | 1866929203303153664 |
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| author | Caporusso, C. B. Negro, G. Suma, A. Digregorio, P. Carenza, L. N. Gonnella, G. Cugliandolo, L. F. |
| author_facet | Caporusso, C. B. Negro, G. Suma, A. Digregorio, P. Carenza, L. N. Gonnella, G. Cugliandolo, L. F. |
| contents | 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. |
| format | Preprint |
| id |
arxiv_https___arxiv_org_abs_2308_00532 |
| institution | arXiv |
| publishDate | 2023 |
| record_format | arxiv |
| spellingShingle | Phase behaviour and dynamics of three-dimensional active dumbbell systems Caporusso, C. B. Negro, G. Suma, A. Digregorio, P. Carenza, L. N. Gonnella, G. Cugliandolo, L. F. Soft Condensed Matter Statistical Mechanics 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. |
| title | Phase behaviour and dynamics of three-dimensional active dumbbell systems |
| topic | Soft Condensed Matter Statistical Mechanics |
| url | https://arxiv.org/abs/2308.00532 |