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@ARTICLE{Fleury:155675,
author = {Fleury, Jean-Baptiste and Schiller, Ulf D and Thutupalli,
Shashi and Gompper, Gerhard and Seemann, Ralf},
title = {{M}ode coupling of phonons in a dense one-dimensional
microfluidic crystal},
journal = {New journal of physics},
volume = {16},
number = {6},
issn = {1367-2630},
address = {[Bad Honnef]},
publisher = {Dt. Physikalische Ges.},
reportid = {FZJ-2014-04728},
pages = {063029 -},
year = {2014},
abstract = {Long-living coupled transverse and longitudinal phonon
modes are explored in dense, regular arrangements of
flattened microfluidic droplets. The collective oscillations
are driven by hydrodynamic interactions between the confined
droplets and can be excited in a controlled way.
Experimental results are quantitatively compared to
simulation results obtained by multi-particle collision
dynamics. The observed transverse modes are acoustic phonons
and obey the predictions of a linearized far-field theory.
The longitudinal modes arise from a nonlinear mode coupling
due to the lateral variation of the confined flow field. The
proposed mechanism for the nonlinear excitation is expected
to be relevant for hydrodynamic motion in other crowded
non-equilibrium systems under confinement.},
cin = {IAS-2 / ICS-2},
ddc = {530},
cid = {I:(DE-Juel1)IAS-2-20090406 / I:(DE-Juel1)ICS-2-20110106},
pnm = {451 - Soft Matter Composites (POF2-451)},
pid = {G:(DE-HGF)POF2-451},
typ = {PUB:(DE-HGF)16},
UT = {WOS:000339078700005},
doi = {10.1088/1367-2630/16/6/063029},
url = {https://juser.fz-juelich.de/record/155675},
}