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Long-range resonances in quasiperiodic many-body localization
Ashirbad Padhan, Jeanne Colbois, Fabien Alet +1
We investigate long-range resonances in quasiperiodic many-body localized (MBL) systems. Focusing on the Heisenberg chain in a deterministic Aubry-André potential, we complement st…
Large deviations in the many-body localization transition: The case of the random-field XXZ chain
Greivin Alfaro Miranda, Fabien Alet, Giulio Biroli +3
The effect of rare system-wide resonances in the many-body localization (MBL) transition has recently attracted significant attention. They are expected to play a prominent role in…
Detecting the Largest Correlations using the Correlation Density Matrix: a Quantum Monte Carlo Approach
Aditya Chincholi, Sylvain Capponi, Fabien Alet
We present a quantum Monte Carlo-based approach to detect and compute the most dominant correlations for many-body systems without prior knowledge. It is based on the measurement a…
Cat states carrying long-range correlations in the many-body localized phase
Nicolas Laflorencie, Jeanne Colbois, Fabien Alet
Despite considerable efforts over the last decade, the high-energy phase diagram of the random-field Heisenberg chain still eludes our understanding, in particular the nature of th…