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@ARTICLE{Varghese:842289,
      author       = {Varghese, Anoop and Gompper, Gerhard and Winkler, Roland
                      G.},
      title        = {{S}patial correlations of hydrodynamic fluctuations in
                      simple fluids under shear flow: {A} mesoscale simulation
                      study},
      journal      = {Physical review / E},
      volume       = {96},
      number       = {6},
      issn         = {2470-0045},
      address      = {Woodbury, NY},
      publisher    = {Inst.},
      reportid     = {FZJ-2018-00536},
      pages        = {062617},
      year         = {2017},
      abstract     = {Hydrodynamic fluctuations in simple fluids under shear flow
                      are demonstrated to be spatially correlated, in contrast to
                      the fluctuations at equilibrium, using mesoscopic
                      hydrodynamic simulations. The simulation results for the
                      equal-time hydrodynamic correlations in a multiparticle
                      collision dynamics (MPC) fluid in shear flow are compared
                      with the explicit expressions obtained from fluctuating
                      hydrodynamics calculations. For large wave vectors k, the
                      nonequilibrium contributions to transverse and longitudinal
                      velocity correlations decay as k−4 for wave vectors along
                      the flow direction and as k−2 for the off-flow directions.
                      For small wave vectors, a crossover to a slower decay
                      occurs, indicating long-range correlations in real space.
                      The coupling between the transverse velocity components,
                      which vanishes at equilibrium, also exhibits a k−2
                      dependence on the wave vector. In addition, we observe a
                      quadratic dependency on the shear rate of the nonequilibrium
                      contribution to pressure.},
      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},
      pubmed       = {pmid:29347341},
      UT           = {WOS:000418919300005},
      doi          = {10.1103/PhysRevE.96.062617},
      url          = {https://juser.fz-juelich.de/record/842289},
}