Theoretical model of interacting quantum Hall dot chains predicts neutral mode transport that violates the Wiedemann-Franz law with Lorenz ratio scaling as sqrt(chain length).
BALLISTIC-TO-DIFFUSIVE TRANSITION IN ENGINEERED COUNTER-PROPAGATING QUANTUM HALL CHANNELS
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Breakdown of the Wiedemann-Franz law in an interacting quantum Hall metamaterial
Theoretical model of interacting quantum Hall dot chains predicts neutral mode transport that violates the Wiedemann-Franz law with Lorenz ratio scaling as sqrt(chain length).