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@ARTICLE{DosSantos:888593,
      author       = {Dos Santos, Flaviano José and dos Santos Dias, Manuel and
                      Lounis, Samir},
      title        = {{M}odeling spin waves in noncollinear antiferromagnets:
                      {S}pin-flop states, spin spirals, skyrmions, and
                      antiskyrmions},
      journal      = {Physical review / B},
      volume       = {102},
      number       = {10},
      issn         = {2469-9950},
      address      = {Woodbury, NY},
      publisher    = {Inst.},
      reportid     = {FZJ-2020-05049},
      pages        = {104436},
      year         = {2020},
      abstract     = {Spin waves in antiferromagnetic materials have great
                      potential for next-generation magnonic technologies.
                      However, their properties and their dependence on the type
                      of ground-state antiferromagnetic structure are still open
                      questions. Here, we investigate theoretically spin waves in
                      one- and two-dimensional model systems with a focus on
                      noncollinear antiferromagnetic textures such as spin spirals
                      and skyrmions of opposite topological charges. We address in
                      particular the nonreciprocal spin excitations recently
                      measured in bulk antiferromagnet α−Cu2V2O7 utilizing
                      inelastic neutron scattering experiments [Phys. Rev. Lett.
                      119, 047201 (2017)], where we help to characterize the
                      nature of the detected spin-wave modes. Furthermore, we
                      discuss how the Dzyaloshinskii-Moriya interaction can lift
                      the degeneracy of the spin-wave modes in antiferromagnets,
                      resembling the electronic Rashba splitting. We consider the
                      spin-wave excitations in antiferromagnetic spin-spiral and
                      skyrmion systems and discuss the features of their inelastic
                      scattering spectra. We demonstrate that antiskyrmions can be
                      obtained with an isotropic Dzyaloshinskii-Moriya interaction
                      in certain antiferromagnets.},
      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) /
                      First-principles investigation of single magnetic
                      nano-skyrmions $(jias17_20190501)$},
      pid          = {G:(DE-HGF)POF3-142 / $G:(DE-Juel1)jias17_20190501$},
      typ          = {PUB:(DE-HGF)16},
      UT           = {WOS:000573773300004},
      doi          = {10.1103/PhysRevB.102.104436},
      url          = {https://juser.fz-juelich.de/record/888593},
}