Boundary-Mediated Phases of Self-Propelled Kuramoto Particles
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arXiv
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| Main Authors: | , , , |
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| Format: | Preprint |
| Published: |
2026
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| _version_ | 1866908890729283584 |
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| author | Arceri, Francesco Sposini, Vittoria Orlandini, Enzo Baldovin, Fulvio |
| author_facet | Arceri, Francesco Sposini, Vittoria Orlandini, Enzo Baldovin, Fulvio |
| contents | Active agents can transfer energy to their environment through collective motion, generating accumulation patterns near confining obstacles. Here we investigate how the nature of the microscopic drive-self-propulsion or velocity alignment-selects distinct accumulation patterns, leading to either delocalized or compact clustered states. We first characterize the dynamical regimes emerging from the interplay of these two driving mechanisms under perfectly reflective or smooth boundary conditions. We then introduce boundary friction and observe a drastic change in the accumulation patterns, with new dynamical phases that are absent in the previous case. By connecting emergent macroscopic structures to their underlying microscopic interactions, this work provides a practical route to infer the dominant interaction ruling boundary-mediated collective behavior, with applications ranging from single-cell migration to bio-inspired robotics. |
| format | Preprint |
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arxiv_https___arxiv_org_abs_2603_13001 |
| institution | arXiv |
| publishDate | 2026 |
| record_format | arxiv |
| spellingShingle | Boundary-Mediated Phases of Self-Propelled Kuramoto Particles Arceri, Francesco Sposini, Vittoria Orlandini, Enzo Baldovin, Fulvio Soft Condensed Matter Statistical Mechanics Biological Physics Computational Physics Active agents can transfer energy to their environment through collective motion, generating accumulation patterns near confining obstacles. Here we investigate how the nature of the microscopic drive-self-propulsion or velocity alignment-selects distinct accumulation patterns, leading to either delocalized or compact clustered states. We first characterize the dynamical regimes emerging from the interplay of these two driving mechanisms under perfectly reflective or smooth boundary conditions. We then introduce boundary friction and observe a drastic change in the accumulation patterns, with new dynamical phases that are absent in the previous case. By connecting emergent macroscopic structures to their underlying microscopic interactions, this work provides a practical route to infer the dominant interaction ruling boundary-mediated collective behavior, with applications ranging from single-cell migration to bio-inspired robotics. |
| title | Boundary-Mediated Phases of Self-Propelled Kuramoto Particles |
| topic | Soft Condensed Matter Statistical Mechanics Biological Physics Computational Physics |
| url | https://arxiv.org/abs/2603.13001 |