Presentation Information
[Tu-P-107]Breakdown of the Wiedemann-Franz Law in an Interacting Quantum Hall Metamaterial
〇Olivier Maillet1, Patrice Roche1, Carles Altimiras1, François Parmentier1,2 (1. CEA Saclay (France), 2. LPENS, CNRS (France))
We consider a chain of dots with frozen charge dynamics, connected by ballistic channels. The interplay between local diffusion by neutral modes and long-range correlations from frozen charges results in a Lorenz ratio scaling as a square root of the chain's length.