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@ARTICLE{Duman:850190,
author = {Duman, Özer and Isele-Holder, Rolf E. and Elgeti, Jens and
Gompper, Gerhard},
title = {{C}ollective dynamics of self-propelled semiflexible
filaments},
journal = {Soft matter},
volume = {14},
number = {22},
issn = {1744-6848},
address = {London},
publisher = {Royal Soc. of Chemistry},
reportid = {FZJ-2018-04264},
pages = {4483 - 4494},
year = {2018},
abstract = {The collective behavior of active semiflexible filaments is
studied with a model of tangentially driven self-propelled
worm-like chains. The combination of excluded-volume
interactions and self-propulsion leads to several distinct
dynamic phases as a function of bending rigidity, activity,
and aspect ratio of individual filaments. We consider first
the case of intermediate filament density. For
high-aspect-ratio filaments, we identify a transition with
increasing propulsion from a state of free-swimming
filaments to a state of spiraled filaments with nearly
frozen translational motion. For lower aspect ratios, this
gas-of-spirals phase is suppressed with growing density due
to filament collisions; instead, filaments form clusters
similar to self-propelled rods. As activity increases,
finite bending rigidity strongly effects the dynamics and
phase behavior. Flexible filaments form small and transient
clusters, while stiffer filaments organize into giant
clusters, similarly to self-propelled rods, but with a
reentrant phase behavior from giant to smaller clusters as
activity becomes large enough to bend the filaments. For
high filament densities, we identify a nearly frozen jamming
state at low activities, a nematic laning state at
intermediate activities, and an active-turbulence state at
high activities. The latter state is characterized by a
power-law decay of the energy spectrum as a function of wave
number. The resulting phase diagrams encapsulate tunable
non-equilibrium steady states that can be used in the
organization of living matter.},
cin = {ICS-2 / JARA-HPC},
ddc = {530},
cid = {I:(DE-Juel1)ICS-2-20110106 / $I:(DE-82)080012_20140620$},
pnm = {553 - Physical Basis of Diseases (POF3-553) / Hydrodynamics
of Active Biological Systems $(jiff26_20110501)$},
pid = {G:(DE-HGF)POF3-553 / $G:(DE-Juel1)jiff26_20110501$},
typ = {PUB:(DE-HGF)16},
pubmed = {pmid:29808191},
UT = {WOS:000434697000007},
doi = {10.1039/C8SM00282G},
url = {https://juser.fz-juelich.de/record/850190},
}