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Degenerate states, emergent dynamics and fluid mixing by magnetic rotors

Abstract:

We investigate the collective motion of magnetic rotors suspended in a viscous fluid under a uniform rotating magnetic field. The rotors are positioned on a square lattice, and low Reynolds hydrodynamics is assumed. For a 3 × 3 array of magnets, we observe three characteristic dynamical patterns as the external field strength is varied: a synchronized pattern, an oscillating pattern, and a chessboard pattern. The relative stability of these depends on the competition between the energy d...

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Publication status:
Published
Peer review status:
Peer reviewed

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Publisher copy:
10.1039/d0sm00454e

Authors


More by this author
Institution:
University of Oxford
Division:
MPLS
Department:
Physics
Role:
Author
More by this author
Institution:
University of Oxford
Division:
MPLS
Department:
Physics
Role:
Author
More by this author
Institution:
University of Oxford
Division:
MPLS
Department:
Physics
Subgroup:
Theoretical Physics
Role:
Author
ORCID:
0000-0001-8268-5469
More by this author
Institution:
University of Oxford
Division:
MPLS
Department:
Physics
Subgroup:
Theoretical Physics
Oxford college:
St Cross College
Role:
Author
ORCID:
0000-0002-3149-4002
Publisher:
Royal Society of Chemistry Publisher's website
Journal:
Soft Matter Journal website
Volume:
16
Issue:
28
Pages:
6484-6492
Publication date:
2020-07-11
Acceptance date:
2020-07-09
DOI:
EISSN:
1744-6848
ISSN:
1744-683X
Pmid:
32658231
Pubs id:
1119212
Local pid:
pubs:1119212
Language:
English
Keywords:
Format:
Print

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