Measurements of laser-induced magnetization dynamics suggest that spin currents can be generated on ultrafast timescales. Now it is shown that such currents may be capable of exerting ultrafast spin-transfer torques.
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Carva, K. Give it a whirl. Nature Phys 10, 552–553 (2014). https://doi.org/10.1038/nphys3057
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DOI: https://doi.org/10.1038/nphys3057
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