Dislocation motion is crucial to the deformation of materials. The discovery that at least at lower temperatures quantum effects play an important role in this process considerably improves quantitative predictions of mechanical properties.
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Ackland, G. Overcoming old barriers. Nature Mater 11, 837–838 (2012). https://doi.org/10.1038/nmat3423
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DOI: https://doi.org/10.1038/nmat3423