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PreprintCC BY 4.0arXiv

Quorum sensing with density-enhanced motility and size regulation

  • Itay Azizi
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Abstract

Motivated by biological systems and my previous studies of quorum sensing with density-enhanced motility, I study a model of density-enhanced size and motility, in which both particle size and motility increase when the local density (over a distance larger than particle diameter) exceeds the global density. The emergent structures along different size ratios are spots, holes, bands and labyrinths controlled by several distinct observations. First, the characteristic pattern length scale is controlled by the sensing radius and remains approximately independent of the size ratio. Second, the total area occupied by the particles decreases with increasing size ratio. Third, the active fraction barely depends on the size ratio. These results demonstrate how both particle size and motility can couple microscopic regulation to large-scale pattern formation. I conclude by discussing possible extensions of the model.

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Cite

BibTeXRIS
BibTeX
@misc{azizi2026quorum,
  title = {{Quorum sensing with density-enhanced motility and size regulation}},
  author = {Itay Azizi},
  howpublished = {arXiv},
  year = {2026},
  month = sep,
  doi = {10.48550/arxiv.2609.35085},
  eprint = {2609.35085},
  archivePrefix = {arXiv},
  url = {https://arxiv.org/abs/2609.35085},
  note = {CC BY 4.0},
}
RIS
TY  - UNPB
TI  - Quorum sensing with density-enhanced motility and size regulation
AU  - Itay Azizi
PY  - 2026
DA  - 2026/09/30
PB  - arXiv
DO  - 10.48550/arxiv.2609.35085
UR  - https://arxiv.org/abs/2609.35085
AB  - Motivated by biological systems and my previous studies of quorum sensing with density-enhanced motility, I study a model of density-enhanced size and motility, in which both particle size and motility increase when the local density (over a distance larger than particle diameter) exceeds the global density. The emergent structures along different size ratios are spots, holes, bands and labyrinths controlled by several distinct observations. First, the characteristic pattern length scale is controlled by the sensing radius and remains approximately independent of the size ratio. Second, the total area occupied by the particles decreases with increasing size ratio. Third, the active fraction barely depends on the size ratio. These results demonstrate how both particle size and motility can couple microscopic regulation to large-scale pattern formation. I conclude by discussing possible extensions of the model.
ER  -