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@ARTICLE{Theers:283733,
      author       = {Theers, Mario and Westphal, Elmar and Gompper, Gerhard and
                      Winkler, Roland G.},
      title        = {{F}rom local to hydrodynamic friction in {B}rownian motion:
                      {A} multiparticle collision dynamics simulation study},
      journal      = {Physical review / E},
      volume       = {93},
      number       = {3},
      issn         = {2470-0045},
      address      = {College Park, Md.},
      publisher    = {APS},
      reportid     = {FZJ-2016-02020},
      pages        = {032604},
      year         = {2016},
      abstract     = {The friction and diffusion coefficients of rigid spherical
                      colloidal particles dissolved in a fluid are determined from
                      velocity and force autocorrelation functions by mesoscale
                      hydrodynamic simulations. Colloids with both slip and
                      no-slip boundary conditions are considered, which are
                      embedded in fluids modeled by multiparticle collision
                      dynamics with and without angular momentum conservation. For
                      no-slip boundary conditions, hydrodynamics yields the
                      well-known Stokes law, while for slip boundary conditions
                      the lack of angular momentum conservation leads to a
                      reduction of the hydrodynamic friction coefficient compared
                      to the classical result. The colloid diffusion coefficient
                      is determined by integration of the velocity autocorrelation
                      function, where the numerical result at shorter times is
                      combined with the theoretical hydrodynamic expression for
                      longer times. The suitability of this approach is confirmed
                      by simulations of sedimenting colloids. In general, we find
                      only minor deviations from the Stokes-Einstein relation,
                      which even disappear for larger colloids. Importantly, for
                      colloids with slip boundary conditions, our simulation
                      results contradict the frequently assumed additivity of
                      local and hydrodynamic diffusion coefficients},
      cin          = {IAS-2 / ICS-2},
      ddc          = {530},
      cid          = {I:(DE-Juel1)IAS-2-20090406 / I:(DE-Juel1)ICS-2-20110106},
      pnm          = {551 - Functional Macromolecules and Complexes (POF3-551)},
      pid          = {G:(DE-HGF)POF3-551},
      typ          = {PUB:(DE-HGF)16},
      UT           = {WOS:000371745300007},
      pubmed       = {pmid:27078411},
      doi          = {10.1103/PhysRevE.93.032604},
      url          = {https://juser.fz-juelich.de/record/283733},
}