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@ARTICLE{Popkov:834322,
      author       = {Popkov, V. and Schütz, Gunter M.},
      title        = {{S}olution of the {L}indblad equation for spin helix
                      states},
      journal      = {Physical review / E},
      volume       = {95},
      number       = {4},
      issn         = {2470-0045},
      address      = {Woodbury, NY},
      publisher    = {Inst.},
      reportid     = {FZJ-2017-04301},
      pages        = {042128},
      year         = {2017},
      abstract     = {Using Lindblad dynamics we study quantum spin systems with
                      dissipative boundary dynamics that generate a stationary
                      nonequilibrium state with a nonvanishing spin current that
                      is locally conserved except at the boundaries. We
                      demonstrate that with suitably chosen boundary target states
                      one can solve the many-body Lindblad equation exactly in any
                      dimension. As solution we obtain pure states at any finite
                      value of the dissipation strength and any system size. They
                      are characterized by a helical stationary magnetization
                      profile and a ballistic spin current which is independent of
                      system size, even when the quantum spin system is not
                      integrable. These results are derived in explicit form for
                      the one-dimensional spin-1/2 Heisenberg chain and its
                      higher-spin generalizations, which include the integrable
                      spin-1 Zamolodchikov-Fateev model and the biquadratic
                      Heisenberg chain.},
      cin          = {ICS-2},
      ddc          = {530},
      cid          = {I:(DE-Juel1)ICS-2-20110106},
      pnm          = {551 - Functional Macromolecules and Complexes (POF3-551)},
      pid          = {G:(DE-HGF)POF3-551},
      typ          = {PUB:(DE-HGF)16},
      UT           = {WOS:000399809800003},
      pubmed       = {pmid:28505738},
      doi          = {10.1103/PhysRevE.95.042128},
      url          = {https://juser.fz-juelich.de/record/834322},
}