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Flipping antiferromagnetism by light

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Antiferromagnetism has a vanishing total magnetization and thus is extremely challenging to manipulate. Now, circularly polarized light is shown to efficiently detect, induce and switch a unique class of antiferromagnets.

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Fig. 1: Unique CD responses for AFMs with effectively broken \(\mathbf{{\mathcal {T}}}\) symmetry.

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Authors and Affiliations

  1. University of Michigan, Ann Arbor, MI, USA

    Youngjun Ahn & Liuyan Zhao

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  1. Youngjun Ahn
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  2. Liuyan Zhao
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Correspondence to Youngjun Ahn or Liuyan Zhao.

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The authors declare no competing interests.

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Ahn, Y., Zhao, L. Flipping antiferromagnetism by light. Nat. Mater. 22, 536–537 (2023). https://doi.org/10.1038/s41563-023-01536-x

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