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@ARTICLE{Narasimhan:18668,
      author       = {Narasimhan, S.L. and Baumgaertner, A.},
      title        = {{D}ynamics of a stochastically driven {B}rownian particle
                      in one dimension},
      journal      = {Physica / A},
      volume       = {391},
      issn         = {0378-4371},
      address      = {Amsterdam},
      publisher    = {North Holland Publ. Co.},
      reportid     = {PreJuSER-18668},
      pages        = {593 - 605},
      year         = {2012},
      note         = {Record converted from VDB: 12.11.2012},
      abstract     = {We present a study on the dynamics of a system consisting
                      of a pair of hardcore particles diffusing with different
                      rates. We solved the drift-diffusion equation for this model
                      in the case when one particle, labeled F, drifts and
                      diffuses slowly toward the second particle, labeled M. The
                      displacements of particle M exhibits a crossover from
                      diffusion to drift at a characteristic time which depends on
                      the rate constants. We show that the positional fluctuation
                      of M exhibits an intermediate crossover regime of
                      subdiffusion separating initial and asymptotic diffusive
                      behavior; this is in agreement with the complete set of
                      Master Equations that describe the stochastic evolution of
                      the model. The intermediate crossover regime can be
                      considerably large depending on the hopping probabilities of
                      the two particles. This is in contrast to the known
                      crossover from diffusive to subdiffusive behavior of a
                      tagged particle that is in the interior of a large
                      single-file system on an unbound real line. We discuss our
                      model with respect to the biological phenomena of membrane
                      protrusions, where polymerizing actin filaments (F) push the
                      cell membrane (M). (C) 2011 Elsevier B.V. All rights
                      reserved.},
      keywords     = {J (WoSType)},
      cin          = {ICS-2},
      ddc          = {500},
      cid          = {I:(DE-Juel1)ICS-2-20110106},
      pnm          = {BioSoft: Makromolekulare Systeme und biologische
                      Informationsverarbeitung},
      pid          = {G:(DE-Juel1)FUEK505},
      shelfmark    = {Physics, Multidisciplinary},
      typ          = {PUB:(DE-HGF)16},
      UT           = {WOS:000297779500018},
      doi          = {10.1016/j.physa.2011.08.016},
      url          = {https://juser.fz-juelich.de/record/18668},
}