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@ARTICLE{Singh:845319,
      author       = {Singh, Sunil P. and Gompper, Gerhard and Winkler, Roland
                      G.},
      title        = {{S}teady state sedimentation of ultrasoft colloids},
      journal      = {The journal of chemical physics},
      volume       = {148},
      number       = {8},
      issn         = {1089-7690},
      address      = {Melville, NY},
      publisher    = {American Institute of Physics},
      reportid     = {FZJ-2018-02597},
      pages        = {084901},
      year         = {2018},
      abstract     = {The structural and dynamical properties of ultra-soft
                      colloids—star polymers—exposed to a uniform external
                      force field are analyzed by applying the multiparticle
                      collision dynamics technique, a hybrid coarse-grain
                      mesoscale simulation approach, which captures thermal
                      fluctuations and long-range hydrodynamic interactions. In
                      the weak-field limit, the structure of the star polymer is
                      nearly unchanged; however, in an intermediate regime, the
                      radius of gyration decreases, in particular transverse to
                      the sedimentation direction. In the limit of a strong field,
                      the radius of gyration increases with field strength.
                      Correspondingly, the sedimentation coefficient increases
                      with increasing field strength, passes through a maximum,
                      and decreases again at high field strengths. The maximum
                      value depends on the functionality of the star polymer. High
                      field strengths lead to symmetry breaking with trailing,
                      strongly stretched polymer arms and a compact star-polymer
                      body. In the weak-field-linear response regime, the
                      sedimentation coefficient follows the scaling relation of a
                      star polymer in terms of functionality and arm length},
      cin          = {IAS-2 / ICS-2},
      ddc          = {540},
      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:29495770},
      UT           = {WOS:000426582700035},
      doi          = {10.1063/1.5001886},
      url          = {https://juser.fz-juelich.de/record/845319},
}