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@ARTICLE{Zunke:915922,
      author       = {Zunke, Christoph and Bewerunge, Jörg and Platten, Florian
                      and Egelhaaf, Stefan U. and Godec, Aljaž},
      title        = {{F}irst-passage statistics of colloids on fractals:
                      {T}heory and experimental realization},
      journal      = {Science advances},
      volume       = {8},
      number       = {3},
      issn         = {2375-2548},
      address      = {Washington, DC [u.a.]},
      publisher    = {Assoc.},
      reportid     = {FZJ-2022-05785},
      pages        = {eabk0627},
      year         = {2022},
      abstract     = {In nature and technology, particle dynamics frequently
                      occur in complex environments, for example in restricted
                      geometries or crowded media. These dynamics have often been
                      modeled invoking a fractal structure of the medium although
                      the fractal structure was only indirectly inferred through
                      the dynamics. Moreover, systematic studies have not yet been
                      performed. Here, colloidal particles moving in a laser
                      speckle pattern are used as a model system. In this case,
                      the experimental observations can be reliably traced to the
                      fractal structure of the underlying medium with an
                      adjustable fractal dimension. First-passage time statistics
                      reveal that the particles explore the speckle in a
                      self-similar, fractal manner at least over four decades in
                      time and on length scales up to 20 times the particle
                      radius. The requirements for fractal diffusion to be
                      applicable are laid out, and methods to extract the fractal
                      dimension are established.},
      cin          = {IBI-4},
      ddc          = {500},
      cid          = {I:(DE-Juel1)IBI-4-20200312},
      pnm          = {5241 - Molecular Information Processing in Cellular Systems
                      (POF4-524)},
      pid          = {G:(DE-HGF)POF4-5241},
      typ          = {PUB:(DE-HGF)16},
      pubmed       = {35061533},
      UT           = {WOS:000745886100022},
      doi          = {10.1126/sciadv.abk0627},
      url          = {https://juser.fz-juelich.de/record/915922},
}