Researchers at Princeton University have identified fractional quantum Hall states at filling factors 3/4 and 5/4, showing that interactions between two electron layers can stabilise rare collective quantum behaviour.
Princeton physicists observe new even-denominator quantum Hall states in electron layers
Researchers at Princeton University have identified fractional quantum Hall states at filling factors 3/4 and 5/4, showing that interactions between two electron layers can stabilise rare collective quantum behaviour.
File:Hall effect.png : Peo Conversion to gif: Hike395 · CC BY-SA 3.0 · rights
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