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@ARTICLE{Bouaziz:852666,
      author       = {Bouaziz, Juba and dos Santos Dias, Manuel and Guimaraes,
                      Filipe and Blügel, Stefan and Lounis, Samir},
      title        = {{I}mpurity-induced orbital magnetization in a {R}ashba
                      electron gas},
      journal      = {Physical review / B},
      volume       = {98},
      number       = {12},
      issn         = {2469-9950},
      address      = {Woodbury, NY},
      publisher    = {Inst.},
      reportid     = {FZJ-2018-05539},
      pages        = {125420},
      year         = {2018},
      abstract     = {We investigate the induced orbital magnetization density in
                      a Rashba electron gas with magnetic impurities. Relying on
                      classical electrodynamics, we obtain this quantity through
                      the bound currents composed of paramagnetic and
                      diamagneticlike contributions which emerge from the
                      spin-orbit interaction. Similar to Friedel charge ripples,
                      the bound currents and the orbital magnetization density
                      oscillate as a function of distance away from the impurity
                      with characteristic wavelengths defined by the Fermi energy
                      and the strength of the Rashba spin-orbit interaction. The
                      net induced orbital magnetization was found to be of the
                      order of magnitude of its spin counterpart. In addition to
                      the exploration of the impact of the electronic filling of
                      the impurity states, we investigate and analyze the orbital
                      magnetization induced by an equilateral frustrated trimer in
                      various noncollinear magnetic states. On the one hand, we
                      confirm that nonvanishing three-spin chiralities generate a
                      finite orbital magnetization density. On the other hand,
                      higher-order contributions lead to multiple-spin chiralities
                      affecting nontrivially and significantly the overall
                      magnitude and sign of the orbital magnetization. This study
                      substantiates the notion that the orbital degrees of freedom
                      are an essential aspect of nanoscale magnetism, calling for
                      further theoretical and experimental attention.},
      cin          = {IAS-1 / PGI-1 / JARA-FIT / JARA-HPC},
      ddc          = {530},
      cid          = {I:(DE-Juel1)IAS-1-20090406 / I:(DE-Juel1)PGI-1-20110106 /
                      $I:(DE-82)080009_20140620$ / $I:(DE-82)080012_20140620$},
      pnm          = {142 - Controlling Spin-Based Phenomena (POF3-142) / 143 -
                      Controlling Configuration-Based Phenomena (POF3-143)},
      pid          = {G:(DE-HGF)POF3-142 / G:(DE-HGF)POF3-143},
      typ          = {PUB:(DE-HGF)16},
      UT           = {WOS:000445508200010},
      doi          = {10.1103/PhysRevB.98.125420},
      url          = {https://juser.fz-juelich.de/record/852666},
}