Quantized magnetoresistance has been observed in an experiment for the first time. In addition to being of fundamental interest, the result could have applications in sensing and data storage.
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Johnson, M. New twist for ballistic transport. Nature Nanotech 2, 143–144 (2007). https://doi.org/10.1038/nnano.2007.49
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DOI: https://doi.org/10.1038/nnano.2007.49