The discovery of the quantum Hall effect (QHE) marked a turning point in condensed-matter physics. The measurement of the Hall resistance showed that electronic resistance could be defined precisely in terms of fundamental constants, even in a disordered and irregular sample. Over the past 40 years, the QHE has inspired new theories and led to experimental discoveries in a range of fields going beyond solid-state electronics to photonics and quantum entanglement. In this Viewpoint, physicists reflect on how the QHE has influenced their research.
CITATION STYLE
von Klitzing, K., Chakraborty, T., Kim, P., Madhavan, V., Dai, X., McIver, J., … Qi, X. (2020). 40 years of the quantum Hall effect. Nature Reviews Physics, 2(8), 397–401. https://doi.org/10.1038/s42254-020-0209-1
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