Motility Induced Phase Separation and Frustration in Active Matter Swarmalators
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arXiv
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| Main Authors: | , , , |
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| Format: | Preprint |
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2023
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| _version_ | 1866911846106136576 |
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| author | Adorjani, B. Libal, A. Reichhardt, C. Reichhardt, C. J. O. |
| author_facet | Adorjani, B. Libal, A. Reichhardt, C. Reichhardt, C. J. O. |
| contents | We introduce a system of active matter swarmalators composed of elastically interacting run-and-tumble active disks with an internal phase $ϕ_i$. The disks experience an additional attractive or repulsive force with neighboring disks depending upon their relative difference in $ϕ_i$. In the absence of the internal phase, the system forms a Motility-Induced Phase Separated (MIPS) state, but when the swarmalator interactions are present, a wide variety of other active phases appear depending upon whether the interaction is attractive or repulsive and whether the particles act to synchronize or anti-synchronize their internal phase values. These include a gas-free gel regime, arrested clusters, a labyrinthine state, a regular MIPS state, a frustrated MIPS state for attractive anti-synchronization, and a superlattice MIPS state for attractive synchronization. |
| format | Preprint |
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arxiv_https___arxiv_org_abs_2309_10937 |
| institution | arXiv |
| publishDate | 2023 |
| record_format | arxiv |
| spellingShingle | Motility Induced Phase Separation and Frustration in Active Matter Swarmalators Adorjani, B. Libal, A. Reichhardt, C. Reichhardt, C. J. O. Soft Condensed Matter Statistical Mechanics We introduce a system of active matter swarmalators composed of elastically interacting run-and-tumble active disks with an internal phase $ϕ_i$. The disks experience an additional attractive or repulsive force with neighboring disks depending upon their relative difference in $ϕ_i$. In the absence of the internal phase, the system forms a Motility-Induced Phase Separated (MIPS) state, but when the swarmalator interactions are present, a wide variety of other active phases appear depending upon whether the interaction is attractive or repulsive and whether the particles act to synchronize or anti-synchronize their internal phase values. These include a gas-free gel regime, arrested clusters, a labyrinthine state, a regular MIPS state, a frustrated MIPS state for attractive anti-synchronization, and a superlattice MIPS state for attractive synchronization. |
| title | Motility Induced Phase Separation and Frustration in Active Matter Swarmalators |
| topic | Soft Condensed Matter Statistical Mechanics |
| url | https://arxiv.org/abs/2309.10937 |