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Ergodic inclusions in many body localized systems
Luis Colmenarez, David J. Luitz, Wojciech De Roeck
We investigate the effect of ergodic inclusions in putative many-body localized systems. To this end, we consider the random field Heisenberg chain, which is many-body localized at…
Sub-diffusive Thouless time scaling in the Anderson model on random regular graphs
Luis Colmenarez, David J. Luitz, Ivan M. Khaymovich +1
The scaling of the Thouless time with system size is of fundamental importance to characterize dynamical properties in quantum systems. In this work, we study the scaling of the Th…
Avalanches and many-body resonances in many-body localized systems
Alan Morningstar, Luis Colmenarez, Vedika Khemani +2
We numerically study both the avalanche instability and many-body resonances in strongly-disordered spin chains exhibiting many-body localization (MBL). We distinguish between a fi…
Polynomial filter diagonalization of large Floquet unitary operators
David J. Luitz
Periodically driven quantum many-body systems play a central role for our understanding of nonequilibrium phenomena. For studies of quantum chaos, thermalization, many-body localiz…
Is there slow particle transport in the MBL phase?
David J. Luitz, Yevgeny Bar Lev
We analyze the saturation value of the bipartite entanglement and number entropy starting from a random product state deep in the MBL phase. By studying the probability distributio…
Multifractality and its role in anomalous transport in the disordered XXZ spin-chain
David J. Luitz, Ivan M. Khaymovich, Yevgeny Bar Lev
The disordered XXZ model is a prototype model of the many-body localization transition (MBL). Despite numerous studies of this model, the available numerical evidence of multifract…