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@ARTICLE{Kang:817823,
author = {Kang, K. and Piao, S. H. and Choi, H. J.},
title = {{S}ynchronized oscillations of dimers in biphasic charged
fd-virus suspensions},
journal = {Physical review / E},
volume = {94},
number = {2},
issn = {1063-651X},
address = {Woodbury, NY},
publisher = {Inst.},
reportid = {FZJ-2016-04462},
pages = {020602},
year = {2016},
abstract = {Micron-sized colloidal spheres that are dispersed in an
isotropic-nematic biphasic host suspension of charged rods
(fd-virus particles) are shown to spontaneously form dimers,
which exhibit a synchronized oscillatory motion. Dimer
formation is not observed in the monophase of isotropic and
nematic suspensions. The synchronized oscillations of dimers
are connected to the inhomogeneous state of the host
suspension of charged rods (fd viruses) where nematic
domains are in coexistence with isotropic regions. The
synchronization of oscillations occurs in bulk states, in
the absence of an external field. With a low field strength
of an applied electric field, the synchronization is rather
reduced, but it recovers again when the field is turned off.
In this Rapid Communication, we report this observation as
an example of the strange attractor, occurring in the
mixture of PS (polystyrene) dimers in an isotropic-nematic
coexistence biphasic fd-virus network. Furthermore, we
highlight that the synchronization of PS-dimer oscillations
is the result of a global bifurcation diagram, driven by a
delicate balance between the short-attractive “twisted”
interaction of PS dimers and long-ranged electrostatic
repulsive interactions of charged fd rods. The interest is
then in the local enhancement of “twist-nematic”
elasticity in reorientation of the dimer oscillations. An
analysis of image-time correlations is provided with the
data movies and Fourier transforms of averaged orientations
for the synchronized oscillations of dimers in the biphasic
I−N coexistence concentration of charged fd-virus
suspensions.},
cin = {ICS-3},
ddc = {530},
cid = {I:(DE-Juel1)ICS-3-20110106},
pnm = {551 - Functional Macromolecules and Complexes (POF3-551)},
pid = {G:(DE-HGF)POF3-551},
typ = {PUB:(DE-HGF)16},
UT = {WOS:000381417000002},
doi = {10.1103/PhysRevE.94.020602},
url = {https://juser.fz-juelich.de/record/817823},
}