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@ARTICLE{Richter:256354,
      author       = {Richter, D. and Goossen, Sebastian and Wischnewski, A.},
      title        = {{C}elebrating {S}oft {M}atter's 10th {A}nniversary:
                      {T}opology matters: structure and dynamics of ring polymers},
      journal      = {Soft matter},
      volume       = {11},
      number       = {44},
      issn         = {1744-6848},
      address      = {London},
      publisher    = {Royal Soc. of Chemistry},
      reportid     = {FZJ-2015-06313},
      pages        = {8535-8549},
      year         = {2015},
      abstract     = {Considering topology among all polymer architectures
                      polymer rings are unique, as they are the simplest closed
                      structures without ends. In this review we present recent
                      experimental advances addressing the structure and dynamics
                      of rings. We focus mainly on neutron scattering results that
                      reveal experimental insight on a molecular scale. We first
                      briefly reflect on the progress in ring chemistry that made
                      the experimental access possible. Structural investigations
                      characterizing rings as compact objects in the melts are put
                      into theoretical context. In contrast to the plateau regime
                      common for all other high molecular weight polymer systems,
                      the dynamic modulus of pure ring systems is characterized by
                      a power law decay, while the viscosity displays a much
                      weaker molecular weight dependence as a corresponding linear
                      melt. The dynamics of ring melts is uniquely addressed by
                      neutron spin-echo spectroscopy. The sub-diffusive center of
                      mass motion at short times agrees well with simulation as
                      well as theoretical concepts. In the internal dynamics the
                      basic length scale of the ring molecule, the loop size,
                      manifests itself clearly. The experiments reveal strong
                      evidence for loop motions and call for further theoretical
                      work describing them. Finally, small fractions of ring
                      molecules in linear melts turn out to be very sensitive
                      probes in order to scrutinize the dynamics of the host with
                      the potential to reveal fundamental aspects of the dynamics
                      of branched polymer systems.},
      cin          = {ICS-1 / Neutronenstreuung ; JCNS-1 / JCNS (München) ;
                      Jülich Centre for Neutron Science JCNS (München) ;
                      JCNS-FRM-II},
      ddc          = {530},
      cid          = {I:(DE-Juel1)ICS-1-20110106 / I:(DE-Juel1)JCNS-1-20110106 /
                      I:(DE-Juel1)JCNS-FRM-II-20110218},
      pnm          = {551 - Functional Macromolecules and Complexes (POF3-551) /
                      6G4 - Jülich Centre for Neutron Research (JCNS) (POF3-623)
                      / 6215 - Soft Matter, Health and Life Sciences (POF3-621)},
      pid          = {G:(DE-HGF)POF3-551 / G:(DE-HGF)POF3-6G4 /
                      G:(DE-HGF)POF3-6215},
      experiment   = {EXP:(DE-MLZ)J-NSE-20140101},
      typ          = {PUB:(DE-HGF)16},
      UT           = {WOS:000364824600001},
      pubmed       = {pmid:26406787},
      doi          = {10.1039/C5SM01994J},
      url          = {https://juser.fz-juelich.de/record/256354},
}