Uncorrelated hopping disorder in the generalized Aubry-André model enhances localization and turns the transition into a crossover, while spatially correlated disorder causes partial delocalization near strong bonds, as shown in momentum-space lattice experiments with 87Rb atoms.
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Hybrid Lanczos and MPS methods with classical Ehrenfest phonons provide numerical evidence that electron-phonon coupling delocalizes strongly disordered systems and destabilizes finite-size many-body localization.
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Localization with Hopping Disorder in Quasi-periodic Synthetic Momentum Lattice
Uncorrelated hopping disorder in the generalized Aubry-André model enhances localization and turns the transition into a crossover, while spatially correlated disorder causes partial delocalization near strong bonds, as shown in momentum-space lattice experiments with 87Rb atoms.
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Hybrid quantum-classical matrix-product state and Lanczos methods for electron-phonon systems with strong electronic correlations: Application to disordered systems coupled to Einstein phonons
Hybrid Lanczos and MPS methods with classical Ehrenfest phonons provide numerical evidence that electron-phonon coupling delocalizes strongly disordered systems and destabilizes finite-size many-body localization.