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@ARTICLE{Richter:850132,
      author       = {Richter, Jonas and Jin, Fengping and De Raedt, Hans and
                      Michielsen, Kristel and Gemmer, Jochen and Steinigeweg,
                      Robin},
      title        = {{R}eal-time dynamics of typical and untypical states in
                      nonintegrable systems},
      journal      = {Physical review / B},
      volume       = {97},
      number       = {17},
      issn         = {2469-9950},
      address      = {Woodbury, NY},
      publisher    = {Inst.},
      reportid     = {FZJ-2018-04210},
      pages        = {174430},
      year         = {2018},
      abstract     = {Understanding (i) the emergence of diffusion from truly
                      microscopic principles continues to be a major challenge in
                      experimental and theoretical physics. At the same time,
                      isolated quantum many-body systems have experienced an
                      upsurge of interest in recent years. Since in such systems
                      the realization of a proper initial state is the only
                      possibility to induce a nonequilibrium process,
                      understanding (ii) the largely unexplored role of the
                      specific realization is vitally important. Our work reports
                      a substantial step forward and tackles the two issues (i)
                      and (ii) in the context of typicality, entanglement as well
                      as integrability and nonintegrability. Specifically, we
                      consider the spin-1/2 XXZ chain, where integrability can be
                      broken due to an additional next-nearest neighbor
                      interaction, and study the real-time and real-space dynamics
                      of nonequilibrium magnetization profiles for a class of pure
                      states. Summarizing our main results, we show that
                      signatures of diffusion for strong interactions are equally
                      pronounced for the integrable and nonintegrable case. In
                      both cases, we further find a clear difference between the
                      dynamics of states with and without internal randomness. We
                      provide an explanation of this difference by a detailed
                      analysis of the local density of states.},
      cin          = {JSC / JARA-HPC},
      ddc          = {530},
      cid          = {I:(DE-Juel1)JSC-20090406 / $I:(DE-82)080012_20140620$},
      pnm          = {511 - Computational Science and Mathematical Methods
                      (POF3-511) / Manipulation and dynamics of quantum spin
                      systems $(jjsc09_20180501)$},
      pid          = {G:(DE-HGF)POF3-511 / $G:(DE-Juel1)jjsc09_20180501$},
      typ          = {PUB:(DE-HGF)16},
      UT           = {WOS:000433286800006},
      doi          = {10.1103/PhysRevB.97.174430},
      url          = {https://juser.fz-juelich.de/record/850132},
}