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@ARTICLE{Wysocki:3902,
      author       = {Wysocki, A. and Royall, C.P. and Winkler, R. G. and
                      Gompper, G. and Tanaka, H. and van Blaaderen, A. and Löwen,
                      H.},
      title        = {{D}irect observation of hydrodynamic instabilities in a
                      driven non-uniform colloidal dispersion},
      journal      = {Soft matter},
      volume       = {5},
      issn         = {1744-683X},
      address      = {Cambridge},
      publisher    = {Royal Society of Chemistry (RSC)},
      reportid     = {PreJuSER-3902},
      pages        = {1340 - 1344},
      year         = {2009},
      note         = {We acknowledge ZIM for computing time. A. W. thanks E. W.
                      Laedke and G. Lehmann for help. We acknowledge A. A. Louis
                      and J. T. Padding for discussions. The authors are grateful
                      to Didi Derks for a kind gift ofPMMAcolloids. A. W., R. G.
                      W., G. G., H. L. and A. v. B. thank the DFG/ FOM for support
                      in particular via SFB TR6 ( projects A3, A4 and D3). C. P.
                      R. acknowledges the Royal Society for Funding. H. T.
                      acknowledges a grant- in- aid from MEXT.},
      abstract     = {A Rayleigh - Taylor-like instability of a dense colloidal
                      layer under gravity in a capillary of microfluidic
                      dimensions is considered. We access all relevant
                      lengthscales with particle-level microscopy and computer
                      simulations which incorporate long-range hydrodynamic
                      interactions between the particles. By tuning the
                      gravitational driving force, we reveal a mechanism whose
                      growth is connected to the fluctuations of specific
                      wavelengths, non-linear pattern formation and subsequent
                      diffusion-dominated relaxation. Our linear stability theory
                      captures the initial regime and thus predicts mixing
                      conditions, with important implications for fields ranging
                      from biology to nanotechnology.},
      keywords     = {J (WoSType)},
      cin          = {IFF-2 / JARA-HPC},
      ddc          = {530},
      cid          = {I:(DE-Juel1)VDB782 / $I:(DE-82)080012_20140620$},
      pnm          = {Kondensierte Materie},
      pid          = {G:(DE-Juel1)FUEK414},
      shelfmark    = {Chemistry, Physical / Materials Science, Multidisciplinary
                      / Physics, Multidisciplinary / Polymer Science},
      typ          = {PUB:(DE-HGF)16},
      UT           = {WOS:000264524300004},
      doi          = {10.1039/b821250c},
      url          = {https://juser.fz-juelich.de/record/3902},
}