Nonequilibrium hyperuniform states in active turbulence

Research output: Contribution to journalResearch articleContributedpeer-review

Abstract

We demonstrate that the complex spatiotemporal structure in active fluids can feature characteristics of hyperuniformity. Using a hydrodynamic model, we show that the transition from hyperuniformity to nonhyperuniformity and antihyperuniformity depends on the strength of active forcing and can be related to features of active turbulence without and with scaling characteristics of inertial turbulence. Combined with identified signatures of Levy walks and nonuniversal diffusion in these systems, this allows for a biological interpretation and the speculation of nonequilibrium hyperuniform states in active fluids as optimal states with respect to robustness and strategies of evasion and foraging.

Details

Original languageEnglish
Article numbere2320719121
JournalProceedings of the National Academy of Sciences of the United States of America
Volume121
Issue number24
Publication statusPublished - 11 Jun 2024
Peer-reviewedYes

External IDs

PubMed 38848299
ORCID /0000-0002-4217-0951/work/165060920

Keywords

ASJC Scopus subject areas

Keywords

  • active turbulence, bacterial suspension, hyperuniformity