A new method that uses light-induced superconducting quenches to generate abrupt, sub-picosecond, local magnetic field steps has potential applications ranging from spintronics to spectroscopy of quantum materials.
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Baldini, E. Controlling magnetization dynamics in a single step. Nat. Photon. 19, 553–554 (2025). https://doi.org/10.1038/s41566-025-01690-5
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DOI: https://doi.org/10.1038/s41566-025-01690-5
