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.
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Numerical simulations of two incommensurate tight-binding chains reveal a mobility edge with abrupt localization onset in higher-energy states, enhanced by weak magnetic fields but reversed by strong fields.
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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.
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Quantum localization in incommensurate tight-binding chains
Numerical simulations of two incommensurate tight-binding chains reveal a mobility edge with abrupt localization onset in higher-energy states, enhanced by weak magnetic fields but reversed by strong fields.