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@ARTICLE{Kruteva:888826,
      author       = {Kruteva, M. and Monkenbusch, M. and Allgaier, J. and
                      Holderer, O. and Pasini, S. and Hoffmann, I. and Richter,
                      D.},
      title        = {{S}elf-{S}imilar {D}ynamics of {L}arge {P}olymer {R}ings:
                      {A} {N}eutron {S}pin {E}cho {S}tudy},
      journal      = {Physical review letters},
      volume       = {125},
      number       = {23},
      issn         = {1079-7114},
      address      = {College Park, Md.},
      publisher    = {APS},
      reportid     = {FZJ-2020-05240},
      pages        = {238004},
      year         = {2020},
      abstract     = {This work clarifies the self-similar dynamics of large
                      polymer rings using pulsed-field gradient nuclear magnetic
                      resonance and neutron spin echo spectroscopy. We find center
                      of mass diffusion taking place in three dynamic regimes
                      starting (i) with a strongly subdiffusive domain
                      ⟨r2(t)⟩com∼tα (0.4≤α≤0.65); (ii) a second
                      subdiffusive region ⟨r2(t)⟩com∼t0.75 that (iii)
                      finally crosses over to Fickian diffusion. While the t0.75
                      range previously has been found in simulations and was
                      predicted by theory, we attribute the first to the effect of
                      cooperative dynamics resulting from the correlation hole
                      potential. The internal dynamics at scales below the
                      elementary loop size is well described by ring Rouse motion.
                      At larger scales the dynamics is self-similar and follows
                      very well the predictions of the scaling models with
                      preference for the self-consistent fractal loopy globule
                      model.},
      cin          = {JCNS-1 / IBI-8 / MLZ / JCNS-FRM-II / JCNS-4 / JCNS-2},
      ddc          = {530},
      cid          = {I:(DE-Juel1)JCNS-1-20110106 / I:(DE-Juel1)IBI-8-20200312 /
                      I:(DE-588b)4597118-3 / I:(DE-Juel1)JCNS-FRM-II-20110218 /
                      I:(DE-Juel1)JCNS-4-20201012 / I:(DE-Juel1)JCNS-2-20110106},
      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) /
                      6G15 - FRM II / MLZ (POF3-6G15)},
      pid          = {G:(DE-HGF)POF3-551 / G:(DE-HGF)POF3-6G4 /
                      G:(DE-HGF)POF3-6215 / G:(DE-HGF)POF3-6G15},
      experiment   = {EXP:(DE-MLZ)J-NSE-20140101},
      typ          = {PUB:(DE-HGF)16},
      pubmed       = {33337173},
      UT           = {WOS:000595043900021},
      doi          = {10.1103/PhysRevLett.125.238004},
      url          = {https://juser.fz-juelich.de/record/888826},
}