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@INPROCEEDINGS{Novotny:820466,
      author       = {Novotny, M. A. and Jin, F. and De Raedt, H. and Michielsen,
                      K.},
      title        = {{Q}uantum {D}ecoherence and {T}hermalization at {F}inite
                      {T}emperatures of {N}on-{D}egenerate {S}pin {S}ystems via
                      {S}mall {S}pin {E}nvironments},
      journal      = {Journal of physics / Conference Series},
      volume       = {750},
      issn         = {1742-6596},
      address      = {Bristol},
      publisher    = {IOP Publ.},
      reportid     = {FZJ-2016-05776},
      pages        = {012021 -},
      year         = {2016},
      abstract     = {We study the case of a small quantum spin system S with a
                      non-degenerate groundstate coupled to a small quantum spin
                      bath. Finite temperature measures for both quantum
                      decoherence and thermalization are studied. The
                      computational results, obtained from exact diagonalization,
                      compare well with a recent perturbation theory prediction,
                      even when the system and bath are of comparable sizes.},
      month         = {Feb},
      date          = {2016-02-22},
      organization  = {29th Workshop on Recent Developments
                       in Computer Simulation Studies in
                       Condensed Matter Physics, Georgia
                       (USA), 22 Feb 2016 - 26 Feb 2016},
      cin          = {JSC},
      ddc          = {530},
      cid          = {I:(DE-Juel1)JSC-20090406},
      pnm          = {511 - Computational Science and Mathematical Methods
                      (POF3-511)},
      pid          = {G:(DE-HGF)POF3-511},
      typ          = {PUB:(DE-HGF)16 / PUB:(DE-HGF)8},
      UT           = {WOS:000462170800021},
      doi          = {10.1088/1742-6596/750/1/012021},
      url          = {https://juser.fz-juelich.de/record/820466},
}