Clustering of Magnetic Swimmers in a Poiseuille Flow

Physical Review Letters
Fanlong MengRamin Golestanian

Abstract

We investigate the collective behavior of magnetic swimmers, which are suspended in a Poiseuille flow and placed under an external magnetic field, using analytical techniques and Brownian dynamics simulations. We find that the interplay between intrinsic activity, external alignment, and magnetic dipole-dipole interactions leads to longitudinal structure formation. Our work sheds light on a recent experimental observation of a clustering instability in this system.

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Citations

Jul 25, 2019·Physical Review. E·Hartmut Löwen
Feb 15, 2020·Journal of Physics. Condensed Matter : an Institute of Physics Journal·Gerhard GompperSohan Kale
Feb 25, 2020·Soft Matter·Guo-Jun LiaoSabine H L Klapp
Jul 14, 2020·Physical Chemistry Chemical Physics : PCCP·Konstantin I Morozov, Alexander M Leshansky
Sep 27, 2018·Physical Review. E·Fabian BergmannWalter Zimmermann
Oct 18, 2019·Nature Communications·Daiki MatsunagaRamin Golestanian
Jul 14, 2020·Soft Matter·Takuma KawaiRamin Golestanian
Aug 13, 2020·Scientific Reports·Albane ThéryEric Lauga
Nov 11, 2019·Nature Communications·Benoit VincentiEric Clement
Mar 6, 2021·Physical Review Letters·Fanlong MengRamin Golestanian
Oct 14, 2021·Nature Communications·Nicolas WaisbordJeffrey S Guasto

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