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@ARTICLE{Ghosh:907112,
      author       = {Ghosh, Sumit and Freimuth, Frank and Gomonay, Olena and
                      Blügel, Stefan and Mokrousov, Yuriy},
      title        = {{D}riving spin chirality by electron dynamics in
                      laser-excited antiferromagnets},
      journal      = {Communications Physics},
      volume       = {5},
      number       = {1},
      issn         = {2399-3650},
      address      = {London},
      publisher    = {Springer Nature},
      reportid     = {FZJ-2022-01843},
      pages        = {69},
      year         = {2022},
      abstract     = {Despite recent successes in the area of ultrafast
                      manipulation of magnetic order, optical generation and
                      manipulation of complex spin textures is hindered by an
                      insufficient theoretical understanding of underlying
                      processes. In particular an important aspect of subtle
                      connection between the electronic and magnetic degrees of
                      freedom is not properly accounted for in existing theories.
                      Here, we uncover a distinct physical mechanism for
                      imprinting spin chirality into collinear magnets with short
                      laser pulses. By simultaneously treating the laser-ignited
                      evolution of electronic structure and magnetic order, we
                      show that their intertwined dynamics can result in an
                      emergence of quasi-stable chiral states. We find that
                      laser-driven chirality does not require any auxiliary
                      external fields or intrinsic spin–orbit interaction to
                      exist, and it can survive on the time scale of nanoseconds
                      even in the presence of thermal fluctuations, which makes
                      the uncovered mechanism relevant for understanding various
                      optical experiments on magnetic materials. Our findings
                      provide a more detailed perspective of the complex
                      interactions which occur between chiral magnetism and
                      light.},
      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          = {5211 - Topological Matter (POF4-521)},
      pid          = {G:(DE-HGF)POF4-5211},
      typ          = {PUB:(DE-HGF)16},
      UT           = {WOS:000773257500001},
      doi          = {10.1038/s42005-022-00840-3},
      url          = {https://juser.fz-juelich.de/record/907112},
}