Motility Induced Phase Separation and Frustration in Active Matter Swarmalators

Fuente: arXiv
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Main Authors: Adorjani, B., Libal, A., Reichhardt, C., Reichhardt, C. J. O.
Format: Preprint
Published: 2023
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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
id 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