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Optimal compression of constrained quantum time evolution
Maurits S. J. Tepaske, David J. Luitz, Dominik Hahn
The time evolution of quantum many-body systems is one of the most promising applications for near-term quantum computers. However, the utility of current quantum devices is strong…
Level statistics of the one-dimensional dimerized Hubbard model
Karin Haderlein, David J. Luitz, Corinna Kollath +1
The statistical properties of level spacings provide valuable insights into the dynamical properties of a many-body quantum systems. We investigate the level statistics of the Ferm…
Eigenstate correlations, the eigenstate thermalization hypothesis, and quantum information dynamics in chaotic many-body quantum systems
Dominik Hahn, David J. Luitz, J. T. Chalker
We consider the statistical properties of eigenstates of the time-evolution operator in chaotic many-body quantum systems. Our focus is on correlations between eigenstates that are…
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…
Fate of dissipative hierarchy of timescales in the presence of unitary dynamics
Nick D. Hartmann, Jimin L. Li, David J. Luitz
The generic behavior of purely dissipative open quantum many-body systems with local dissipation processes can be investigated using random matrix theory, revealing a hierarchy of…
Compressed quantum error mitigation
Maurits S. J. Tepaske, David J. Luitz
We introduce a quantum error mitigation technique based on probabilistic error cancellation to eliminate errors which have accumulated during the application of a quantum circuit.…