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@ARTICLE{Huang:127104,
      author       = {Huang, Chien-Cheng and Gompper, Gerhard and Winkler, Roland
                      G.},
      title        = {{H}ydrodynamic correlations in multiparticle collision
                      dynamics fluids},
      journal      = {Physical review / E},
      volume       = {86},
      number       = {5},
      issn         = {1539-3755},
      address      = {College Park, Md.},
      publisher    = {APS},
      reportid     = {FZJ-2012-00170},
      pages        = {056711},
      year         = {2012},
      abstract     = {The emergent fluctuating hydrodynamics of the multiparticle
                      collision dynamics (MPC) approach, a particle-based
                      mesoscale simulation technique for fluid dynamics, is
                      analyzed theoretically and numerically. We focus on the
                      stochastic rotation dynamics implementation of the MPC
                      method. The fluid is characterized by its longitudinal and
                      transverse velocity correlation functions in Fourier space
                      and velocity autocorrelation functions in real space.
                      Particular attention is paid to the role of sound, which
                      leads to piecewise negative correlation functions. Moreover,
                      finite system-size effects are addressed with an emphasis on
                      the role of sound. Analytical expressions are provided for
                      the transverse and longitudinal velocity correlations, which
                      are derived from the linearized Landau-Lifshitz
                      Navier-Stokes equation adopted for an isothermal MPC fluid.
                      The comparison of the analytical results with simulations
                      shows excellent agreement above a minimal length scale. The
                      simulations indicate a breakdown in hydrodynamics on length
                      scales smaller than this minimal length. This demonstrates
                      that we have an excellent analytical description and
                      understanding of the MPC method and its limitations in terms
                      of time and length scales.},
      cin          = {ICS-2 / IAS-2},
      ddc          = {530},
      cid          = {I:(DE-Juel1)ICS-2-20110106 / I:(DE-Juel1)IAS-2-20090406},
      pnm          = {451 - Soft Matter Composites (POF2-451)},
      pid          = {G:(DE-HGF)POF2-451},
      typ          = {PUB:(DE-HGF)16},
      UT           = {WOS:000311544800003},
      doi          = {10.1103/PhysRevE.86.056711},
      url          = {https://juser.fz-juelich.de/record/127104},
}