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@ARTICLE{Muenks:862199,
      author       = {Muenks, Matthias and Jacobson, Peter and Ternes, Markus and
                      Kern, Klaus},
      title        = {{C}orrelation-driven transport asymmetries through coupled
                      spins in a tunnel junction},
      journal      = {Nature Communications},
      volume       = {8},
      issn         = {2041-1723},
      address      = {[London]},
      publisher    = {Nature Publishing Group UK},
      reportid     = {FZJ-2019-02547},
      pages        = {14119 -},
      year         = {2017},
      abstract     = {Spin–spin correlations can be the driving force that
                      favours certain ground states and are key in numerous models
                      that describe the behaviour of strongly correlated
                      materials. While the sum of collective correlations usually
                      lead to a macroscopically measurable change in properties, a
                      direct quantification of correlations in atomic scale
                      systems is difficult. Here we determine the correlations
                      between a strongly hybridized spin impurity on the tip of a
                      scanning tunnelling microscope and its electron bath by
                      varying the coupling to a second spin impurity weakly
                      hybridized to the sample surface. Electronic transport
                      through these coupled spins reveals an asymmetry in the
                      differential conductance reminiscent of spin-polarized
                      transport in a magnetic field. We show that at zero field,
                      this asymmetry can be controlled by the coupling strength
                      and is related to either ferromagnetic or antiferromagnetic
                      spin–spin correlations in the tip.},
      cin          = {PGI-3},
      ddc          = {500},
      cid          = {I:(DE-Juel1)PGI-3-20110106},
      pnm          = {142 - Controlling Spin-Based Phenomena (POF3-142)},
      pid          = {G:(DE-HGF)POF3-142},
      typ          = {PUB:(DE-HGF)16},
      pubmed       = {pmid:28074832},
      UT           = {WOS:000391633600001},
      doi          = {10.1038/ncomms14119},
      url          = {https://juser.fz-juelich.de/record/862199},
}