Universal many-body response of heavy impurities coupled to a Fermi sea: a review of recent progress
In this report we discuss the dynamical response of heavy quantum impurities immersed in a
Fermi gas at zero and at finite temperature. Studying both the frequency and the time …
Fermi gas at zero and at finite temperature. Studying both the frequency and the time …
Few-body Bose gases in low dimensions—A laboratory for quantum dynamics
Cold atomic gases have become a paradigmatic system for exploring fundamental physics,
which at the same time allows for applications in quantum technologies. The accelerating …
which at the same time allows for applications in quantum technologies. The accelerating …
Spin subdiffusion in the disordered Hubbard chain
M Kozarzewski, P Prelovšek, M Mierzejewski - Physical review letters, 2018 - APS
We derive and study an effective spin model that explains the anomalous spin dynamics in
the one-dimensional Hubbard model with strong potential disorder. Assuming that charges …
the one-dimensional Hubbard model with strong potential disorder. Assuming that charges …
The mean-field Bose glass in quasicrystalline systems
D Johnstone, P Öhberg… - Journal of Physics A …, 2021 - iopscience.iop.org
We confirm the presence of a mean-field Bose glass (BG) in 2D quasicrystalline Bose–
Hubbard models. We focus on two models where the aperiodic component is present in …
Hubbard models. We focus on two models where the aperiodic component is present in …
Mean-field phases of an ultracold gas in a quasicrystalline potential
The recent experimental advancement to realize ultracold gases scattering off an eightfold
optical potential [K. Viebahn, M. Sbroscia, E. Carter, J.-C. Yu, and U. Schneider, Phys. Rev …
optical potential [K. Viebahn, M. Sbroscia, E. Carter, J.-C. Yu, and U. Schneider, Phys. Rev …
Mobile spin impurity in an optical lattice
We investigate the Fermi polaron problem in a spin-1/2 Fermi gas in an optical lattice for the
limit of both strong repulsive contact interactions and one dimension. In this limit, a polaronic …
limit of both strong repulsive contact interactions and one dimension. In this limit, a polaronic …
Fermionization and Mott-insulator formation in fermion trimers loaded in one-dimensional optical lattices
MC Gordillo, F De Soto - Physical Review A, 2017 - APS
The behavior of small clusters of one spin-up and two spin-down fermions with unlike-spin
repulsive interactions in one-dimensional optical lattices was calculated using a diffusion …
repulsive interactions in one-dimensional optical lattices was calculated using a diffusion …
[PDF][PDF] The Boseglass phase in mean-field quasicrystalline systems
D Johnstone, P Öhberg… - arXiv preprint arXiv …, 2020 - researchgate.net
We study the ground state phases of the Bose-Hubbard model with disordered potentials for
quasicrystalline systems, with a focus on the Bose-Glass phase. Generally speaking …
quasicrystalline systems, with a focus on the Bose-Glass phase. Generally speaking …
Universal many-body response of heavy impurities coupled to a Fermi sea
In this work we discuss the dynamical response of heavy quantum impurities immersed in a
Fermi gas at zero and at finite temperature. Studying both the frequency and the time …
Fermi gas at zero and at finite temperature. Studying both the frequency and the time …