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 …
Ultra-precise holographic beam sha** for microscopic quantum control
High-resolution addressing of individual ultracold atoms, trapped ions or solid state emitters
allows for exquisite control in quantum optics experiments. This becomes possible through …
allows for exquisite control in quantum optics experiments. This becomes possible through …
Effective Hamiltonians for rapidly driven many-body lattice systems: Induced exchange interactions and density-dependent hop**s
AP Itin, MI Katsnelson - Physical review letters, 2015 - APS
We consider 1D lattices described by Hubbard or Bose-Hubbard models, in the presence of
periodic high-frequency perturbations, such as uniform ac force or modulation of hop** …
periodic high-frequency perturbations, such as uniform ac force or modulation of hop** …
New theoretical approaches to Bose polarons
The Frehlich polaron model describes a ubiquitous class of problems concerned with
understanding the properties of a single mobile particle interacting with a bosonic reservoir …
understanding the properties of a single mobile particle interacting with a bosonic reservoir …
Strong-coupling Bose polarons in one dimension: Condensate deformation and modified Bogoliubov phonons
J Jager, R Barnett, M Will, M Fleischhauer - Physical Review Research, 2020 - APS
We discuss the interaction of a quantum impurity with a one-dimensional degenerate Bose
gas forming a Bose polaron. In three spatial dimension, the quasiparticle is typically well …
gas forming a Bose polaron. In three spatial dimension, the quasiparticle is typically well …
Strong-coupling ansatz for the one-dimensional Fermi gas in a harmonic potential
A major challenge in modern physics is to accurately describe strongly interacting quantum
many-body systems. One-dimensional systems provide fundamental insights because they …
many-body systems. One-dimensional systems provide fundamental insights because they …
Chiral polaron formation on the edge of topological quantum matter
Immersing a mobile impurity in a quantum many-body environment can reveal fundamental
properties of the background medium, hence providing a powerful probe of quantum matter …
properties of the background medium, hence providing a powerful probe of quantum matter …
Impurities and polarons in bosonic quantum gases: a review on recent progress
This review describes the field of Bose polarons, arising when mobile impurities are
immersed into a bosonic quantum gas. The latter can be realized by a Bose-Einstein …
immersed into a bosonic quantum gas. The latter can be realized by a Bose-Einstein …
Kubo-Martin-Schwinger relation for an interacting mobile impurity
In this work we study the Kubo-Martin-Schwinger (KMS) relation in the Yang-Gaudin model
of an interacting mobile impurity. We use the integrability of the model to compute the …
of an interacting mobile impurity. We use the integrability of the model to compute the …