The generalized Aubry-André model exhibits an ergodic-MBL transition whose critical disorder strength is characterized via the Frobenius norm of the adiabatic gauge potential, with finite-size scaling and Thouless time analysis.
As shown, the max- ima and minima of the quasi-periodic potential depend on the parameters α and λ, with the quasi-periodicity determined by an irrational number q = ( √ 5 − 1)/ 2
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Characterization of Thermalization Behaviour in a Generalized Aubry-Andr\'e Model
The generalized Aubry-André model exhibits an ergodic-MBL transition whose critical disorder strength is characterized via the Frobenius norm of the adiabatic gauge potential, with finite-size scaling and Thouless time analysis.