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@ARTICLE{Singh:878613,
      author       = {Singh, Sunil P. and Winkler, Roland G.},
      title        = {{F}low driven transitions of polyelectrolytes},
      journal      = {Journal of rheology},
      volume       = {64},
      number       = {5},
      issn         = {1520-8516},
      publisher    = {Inst.},
      reportid     = {FZJ-2020-02951},
      pages        = {1121 - 1131},
      year         = {2020},
      abstract     = {The nonequilibrium properties of uniformly charged linear
                      polymers in the presence of explicit counterions under shear
                      flow are studied by coarse-grained mesoscale hydrodynamics
                      simulations. The conformational properties of the
                      polyelectrolyte (PE) are quantified by the gyration tensor,
                      the distribution of the end-to-end distance, and alignment
                      with the flow, which display rather universal behavior for
                      small and moderate electrostatic interaction strengths in
                      the regime of condensed counterions. In the limit of strong
                      counterion condensation, shear flow leads to a globule-coil
                      transition and polymer stretching, associated with an
                      increase of the effective PE charge. The polyelec- trolytes
                      exhibit a pronounced tumbling motion with cyclic stretched
                      and collapsed conformations. The average tumbling-time
                      period decreases with increasing shear rate by a power-law
                      with the exponent -2/3 for PEs in the coiled state. The
                      tumbling time exhibits a pla- teaulike regime over nearly a
                      decade of shear rates for PEs in the globular state. In
                      addition, we identify various characteristic PE struc- tures
                      under flow in the globule and coil limits determined by the
                      condensed counterions.},
      cin          = {IAS-2 / JARA-SOFT},
      ddc          = {530},
      cid          = {I:(DE-Juel1)IAS-2-20090406 / $I:(DE-82)080008_20150909$},
      pnm          = {551 - Functional Macromolecules and Complexes (POF3-551)},
      pid          = {G:(DE-HGF)POF3-551},
      typ          = {PUB:(DE-HGF)16},
      UT           = {WOS:000566389200001},
      doi          = {10.1122/8.0000085},
      url          = {https://juser.fz-juelich.de/record/878613},
}