Please use this identifier to cite or link to this item: https://hdl.handle.net/10356/150394
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dc.contributor.authorLei, Qun-Lien_US
dc.contributor.authorNi, Ranen_US
dc.date.accessioned2021-05-24T05:02:07Z-
dc.date.available2021-05-24T05:02:07Z-
dc.date.issued2019-
dc.identifier.citationLei, Q. & Ni, R. (2019). Hydrodynamics of random-organizing hyperuniform fluids. Proceedings of the National Academy of Sciences of the United States of America, 116(46), 22983-22989. https://dx.doi.org/10.1073/pnas.1911596116en_US
dc.identifier.issn0027-8424en_US
dc.identifier.urihttps://hdl.handle.net/10356/150394-
dc.description.abstractDisordered hyperuniform structures are locally random while uniform like crystals at large length scales. Recently, an exotic hyperuniform fluid state was found in several nonequilibrium systems, while the underlying physics remains unknown. In this work, we propose a nonequilibrium (driven-dissipative) hard-sphere model and formulate a hydrodynamic theory based on Navier–Stokes equations to uncover the general mechanism of the fluidic hyperuniformity (HU). At a fixed density, this model system undergoes a smooth transition from an absorbing state to an active hyperuniform fluid and then, to the equilibrium fluid by changing the dissipation strength. We study the criticality of the absorbing-phase transition. We find that the origin of fluidic HU can be understood as the damping of a stochastic harmonic oscillator in q space, which indicates that the suppressed long-wavelength density fluctuation in the hyperuniform fluid can exhibit as either acoustic (resonance) mode or diffusive (overdamped) mode. Importantly, our theory reveals that the damping dissipation and active reciprocal interaction (driving) are the two ingredients for fluidic HU. Based on this principle, we further demonstrate how to realize the fluidic HU in an experimentally accessible active spinner system and discuss the possible realization in other systems.en_US
dc.description.sponsorshipAgency for Science, Technology and Research (A*STAR)en_US
dc.description.sponsorshipMinistry of Education (MOE)en_US
dc.description.sponsorshipNanyang Technological Universityen_US
dc.language.isoenen_US
dc.relationM4081781.120en_US
dc.relationM4011873.120en_US
dc.relationA1784C0018en_US
dc.relation.ispartofProceedings of the National Academy of Sciences of the United States of Americaen_US
dc.rights© 2019 The Author(s). All rights reserved. This paper was published by National Academy of Sciences in Proceedings of the National Academy of Sciences of the United States of America and is made available with permission of The Author(s).en_US
dc.subjectEngineering::Chemical engineeringen_US
dc.titleHydrodynamics of random-organizing hyperuniform fluidsen_US
dc.typeJournal Articleen
dc.contributor.schoolSchool of Chemical and Biomedical Engineeringen_US
dc.identifier.doi10.1073/pnas.1911596116-
dc.description.versionAccepted versionen_US
dc.identifier.pmid31666326-
dc.identifier.scopus2-s2.0-85074893738-
dc.identifier.issue46en_US
dc.identifier.volume116en_US
dc.identifier.spage22983en_US
dc.identifier.epage22989en_US
dc.subject.keywordsHyperuniform Fluid Stateen_US
dc.subject.keywordsHydrodynamicsen_US
dc.description.acknowledgementWe thank Profs. Dov Levine and Hao Hu for helpful discussions. This work is supported by Nanyang Technological University Start-Up Grant M4081781.120; Academic Research Fund from Singapore Ministry of Education Grant M4011873.120; and Advanced Manufacturing and Engineering Young Individual Research Grant A1784C0018 by the Science and Engineering Research Council of Agency for Science, Technology and Research Singapore.en_US
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