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@ARTICLE{Zhang:872958,
      author       = {Zhang, L.-C. and Onykiienko, Y. A. and Buhl, P. M. and
                      Tymoshenko, Y. V. and Čermák, P. and Schneidewind, A. and
                      Stewart, J. R. and Henschel, A. and Schmidt, M. and Blügel,
                      S. and Inosov, D. S. and Mokrousov, Y.},
      title        = {{M}agnonic {W}eyl states in {C}u2{OS}e{O}3},
      journal      = {Physical review research},
      volume       = {2},
      number       = {1},
      issn         = {2643-1564},
      address      = {College Park, MD},
      publisher    = {APS},
      reportid     = {FZJ-2020-00418},
      pages        = {013063},
      year         = {2020},
      abstract     = {The multiferroic ferrimagnet Cu2OSeO3 with a chiral crystal
                      structure has attracted a lot of recent attention due to the
                      emergence of a magnetic skyrmion order in this material.
                      Here, the topological properties of its magnon excitations
                      are systematically investigated by linear spin-wave theory
                      and inelastic neutron scattering. When considering
                      Heisenberg exchange interactions only, two degenerate Weyl
                      magnon nodes with topological charges ±2 are observed at
                      high-symmetry points. Each Weyl point splits into two as the
                      symmetry of the system is further reduced by including into
                      consideration the nearest-neighbor Dzyaloshinskii-Moriya
                      interaction, crucial for obtaining an accurate fit to the
                      experimental spin-wave spectrum. Also, one additional pair
                      of Weyl points appears near the R point. The predicted
                      topological properties are verified by surface state and
                      Chern number analysis. Additionally, we predict that a
                      measurable thermal Hall conductivity can be associated with
                      the emergence of the Weyl points, the position and number of
                      which can be tuned by modifying the Dzyaloshinskii-Moriya
                      interaction in the system.},
      cin          = {PGI-1 / IAS-1 / JARA-FIT / JARA-HPC / JCNS-FRM-II / JCNS-2},
      ddc          = {530},
      cid          = {I:(DE-Juel1)PGI-1-20110106 / I:(DE-Juel1)IAS-1-20090406 /
                      $I:(DE-82)080009_20140620$ / $I:(DE-82)080012_20140620$ /
                      I:(DE-Juel1)JCNS-FRM-II-20110218 /
                      I:(DE-Juel1)JCNS-2-20110106},
      pnm          = {142 - Controlling Spin-Based Phenomena (POF3-142) / 143 -
                      Controlling Configuration-Based Phenomena (POF3-143) / 6G15
                      - FRM II / MLZ (POF3-6G15) / 6G4 - Jülich Centre for
                      Neutron Research (JCNS) (POF3-623) / 6212 - Quantum
                      Condensed Matter: Magnetism, Superconductivity (POF3-621)},
      pid          = {G:(DE-HGF)POF3-142 / G:(DE-HGF)POF3-143 /
                      G:(DE-HGF)POF3-6G15 / G:(DE-HGF)POF3-6G4 /
                      G:(DE-HGF)POF3-6212},
      experiment   = {EXP:(DE-MLZ)PANDA-20140101},
      typ          = {PUB:(DE-HGF)16},
      UT           = {WOS:000600711800005},
      doi          = {10.1103/PhysRevResearch.2.013063},
      url          = {https://juser.fz-juelich.de/record/872958},
}