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Experimental realization of fragmented models in tilted Fermi-Hubbard chains
Thomas Kohlert, Sebastian Scherg, Pablo Sala +4
Quantum many-body systems may defy thermalization even without disorder. Intriguingly, non-ergodicity may be caused by a fragmentation of the many-body Hilbert-space into dynamical…
Observing non-ergodicity due to kinetic constraints in tilted Fermi-Hubbard chains
Sebastian Scherg, Thomas Kohlert, Pablo Sala +4
The thermalization of isolated quantum many-body systems is deeply related to fundamental questions of quantum information theory. While integrable or many-body localized systems d…
Observation of many-body localization in a one-dimensional system with single-particle mobility edge
Thomas Kohlert, Sebastian Scherg, Xiao Li +4
We experimentally study many-body localization (MBL) with ultracold atoms in a weak one-dimensional quasiperiodic potential, which in the noninteracting limit exhibits an intermedi…
Non-Equilibrium Mass Transport in the 1D Fermi-Hubbard Model
S. Scherg, T. Kohlert, J. Herbrych +6
We experimentally and numerically investigate the sudden expansion of fermions in a homogeneous one-dimensional optical lattice. For initial states with an appreciable amount of do…