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@ARTICLE{Trotzky:20707,
      author       = {Trotzky, S. and Chen, Y-A. and Flesch, A. and McCulloch, I.
                      P. and Schollwöck, U. and Eisert, J. and Bloch, I.},
      title        = {{P}robing the relaxation towards equilibrium in an isolated
                      strongly correlated one-dimensional {B}ose gas},
      journal      = {Nature physics},
      volume       = {8},
      issn         = {1745-2473},
      address      = {Basingstoke},
      publisher    = {Nature Publishing Group},
      reportid     = {PreJuSER-20707},
      pages        = {325 - 330},
      year         = {2012},
      note         = {We acknowledge stimulating discussions with B. Paredes, M.
                      Cramer and C. Gogolin. This work was supported by the
                      Deutsche Forschungsgemeinschaft (FOR 635, FOR 801), the
                      European Union (NAMEQUAM, QESSENCE, MINOS, COMPAS), the
                      European Young Investigator Awards (EURYI), and Defense
                      Advanced Research Projects Agency (DARPA) Optical Lattice
                      Emulator (OLE) program.},
      abstract     = {The problem of how complex quantum systems eventually come
                      to rest lies at the heart of statistical mechanics. The
                      maximum-entropy principle describes which quantum states can
                      be expected in equilibrium, but not how closed quantum
                      many-body systems dynamically equilibrate. Here, we report
                      the experimental observation of the non-equilibrium dynamics
                      of a density wave of ultracold bosonic atoms in an optical
                      lattice in the regime of strong correlations. Using an
                      optical superlattice, we follow its dynamics in terms of
                      quasi-local densities, currents and coherences-all showing a
                      fast relaxation towards equilibrium values. Numerical
                      calculations based on matrix-product states are in an
                      excellent quantitative agreement with the experimental data.
                      The system fulfills the promise of being a dynamical quantum
                      simulator, in that the controlled dynamics runs for longer
                      times than present classical algorithms can keep track of.},
      keywords     = {J (WoSType)},
      cin          = {PGI-2 / IAS-3},
      ddc          = {530},
      cid          = {I:(DE-Juel1)PGI-2-20110106 / I:(DE-Juel1)IAS-3-20090406},
      pnm          = {Grundlagen für zukünftige Informationstechnologien},
      pid          = {G:(DE-Juel1)FUEK412},
      shelfmark    = {Physics, Multidisciplinary},
      typ          = {PUB:(DE-HGF)16},
      UT           = {WOS:000302557600021},
      doi          = {10.1038/nphys2232},
      url          = {https://juser.fz-juelich.de/record/20707},
}