Mobile electrons dressed with the crystal electric field of localized f orbitals form a new type of quasiparticle in a rare-earth material with a devil’s staircase magnetic structure.
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The author declares no competing interests.
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Zhu, JX. Multipole polaron roams the devil’s staircase. Nat. Mater. 21, 384–385 (2022). https://doi.org/10.1038/s41563-022-01218-0