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@ARTICLE{MartnGmez:862784,
      author       = {Martín-Gómez, Aitor and Eisenstecken, Thomas and Gompper,
                      Gerhard and Winkler, Roland G.},
      title        = {{A}ctive {B}rownian filaments with hydrodynamic
                      interactions: conformations and dynamics},
      journal      = {Soft matter},
      volume       = {15},
      number       = {19},
      issn         = {1744-6848},
      address      = {London},
      publisher    = {Royal Soc. of Chemistry},
      reportid     = {FZJ-2019-03009},
      pages        = {3957 - 3969},
      year         = {2019},
      abstract     = {The conformational and dynamical properties of active
                      self-propelled filaments/polymers are investigated in the
                      presence of hydrodynamic interactions by both, Brownian
                      dynamics simulations and analytical theory. Numerically, a
                      discrete linear chain composed of active Brownian particles
                      is considered, analytically, a continuous linear
                      semiflexible polymer with active velocities changing
                      diffusively. The force-free nature of active monomers is
                      accounted for—no Stokeslet fluid flow induced by active
                      forces—and higher order hydrodynamic multipole moments are
                      neglected. Hence, fluid-mediated interactions are assumed to
                      arise solely due to intramolecular forces. The hydrodynamic
                      interactions (HI) are taken into account analytically by the
                      preaveraged Oseen tensor, and numerically by the
                      Rotne–Prager–Yamakawa tensor. The nonequilibrium
                      character of the active process implies a dependence of the
                      stationary-state properties on HI via the polymer relaxation
                      times. In particular, at moderate activities, HI lead to a
                      substantial shrinkage of flexible and semiflexible polymers
                      to an extent far beyond shrinkage of comparable
                      free-draining polymers; even flexible HI-polymers shrink,
                      while active free-draining polymers swell monotonically.
                      Large activities imply a reswelling, however, to a less
                      extent than for non-HI polymers, caused by the shorter
                      polymer relaxation times due to hydrodynamic interactions.
                      The polymer mean square displacement is enhanced, and an
                      activity-determined ballistic regime appears. Over a wide
                      range of time scales, flexible active polymers exhibit a
                      hydrodynamically governed subdiffusive regime, with an
                      exponent significantly smaller than that of the Rouse and
                      Zimm models of passive polymers. Compared to simulations,
                      the analytical approach predicts a weaker hydrodynamic
                      effect. Overall, hydrodynamic interactions modify the
                      conformational and dynamical properties of active polymers
                      substantially.},
      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:31012481},
      UT           = {WOS:000473065200010},
      doi          = {10.1039/C9SM00391F},
      url          = {https://juser.fz-juelich.de/record/862784},
}