quantum Hall effect
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a quantum-mechanical version of the Hall effect
~27 min read
Encyclopedic overview
The quantum Hall effect (or integer quantum Hall effect) is a quantized version of the Hall effect which is observed in two-dimensional electron systems subjected to low temperatures and strong magnetic fields, in which the Hall resistance Rxy exhibits steps that take on the quantized values
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Excerpted from Wikipedia’s “quantum Hall effect” article, available under the CC BY-SA 4.0 licence.