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@ARTICLE{Belushkin:23194,
      author       = {Belushkin, M. and Winkler, R.G. and Foffi, G.},
      title        = {{R}ole of fluid-density correlations in hydrodynamics: a
                      multiparticle collision dynamics simulation study},
      journal      = {Soft matter},
      volume       = {8},
      issn         = {1744-683X},
      address      = {Cambridge},
      publisher    = {Royal Society of Chemistry (RSC)},
      reportid     = {PreJuSER-23194},
      pages        = {9886 - 9891},
      year         = {2012},
      note         = {MB and GF acknowledge the financial support by the Swiss
                      National Science Foundation (grant no. $PP0022_119006).$},
      abstract     = {Hydrodynamic interactions play a pivotal role in the
                      dynamical behaviour of mesoscale systems such as colloidal
                      suspensions, yet isolating their contribution from other
                      effects remains a key challenge. Hydrodynamic correlations
                      within a fluid are a consequence of local momentum
                      conservation. Hence, as is commonly believed, violation of
                      local momentum conservation should lead to non-hydrodynamic
                      behaviour, where long-range correlations in the fluid are
                      absent. Here, we demonstrate that generally this is a
                      necessary but not sufficient criterion to achieve
                      non-hydrodynamic behaviour. The motion of a massive particle
                      leads to density modulations within the fluid. When the
                      mechanisms underlying the relaxation processes of such
                      modulations are removed, the dynamical behaviour of the
                      system becomes unphysical. We show how the density
                      relaxation mechanisms can be reintroduced in multiparticle
                      collision dynamics (MPC) simulations, providing a consistent
                      description of a system without hydrodynamic interactions.},
      keywords     = {J (WoSType)},
      cin          = {ICS-2 / IAS-2},
      ddc          = {530},
      cid          = {I:(DE-Juel1)ICS-2-20110106 / I:(DE-Juel1)IAS-2-20090406},
      pnm          = {BioSoft: Makromolekulare Systeme und biologische
                      Informationsverarbeitung},
      pid          = {G:(DE-Juel1)FUEK505},
      shelfmark    = {Chemistry, Physical / Materials Science, Multidisciplinary
                      / Physics, Multidisciplinary / Polymer Science},
      typ          = {PUB:(DE-HGF)16},
      UT           = {WOS:000308661700019},
      doi          = {10.1039/c2sm26107c},
      url          = {https://juser.fz-juelich.de/record/23194},
}