40 years of the quantum Hall effect
NATURE REVIEWS PHYSICS(2020)
Abstract
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.
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Key words
Quantum Hall effect,Quantum computer,Quantum simulator,Quantum gravity,Quantum entanglement,Bachelor,Resistance (creativity),Quantum chaos,Art history
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