Repulsive Fermi and Bose polarons in quantum gases
Polaron quasiparticles are formed when a mobile impurity is coupled to the elementary
excitations of a many-particle background. In the field of ultracold atoms, the study of the …
excitations of a many-particle background. In the field of ultracold atoms, the study of the …
Self-bound Bose–Fermi liquids in lower dimensions
We study weakly interacting mixtures of ultracold atoms composed of bosonic and fermionic
species in 2D and 1D. When interactions between particles are appropriately tuned, self …
species in 2D and 1D. When interactions between particles are appropriately tuned, self …
Quantum Bose-Fermi droplets
We study the stability of a zero temperature mixture of attractively interacting degenerate
bosons and spin-polarized fermions in the absence of confinement. We demonstrate that …
bosons and spin-polarized fermions in the absence of confinement. We demonstrate that …
Probing ferromagnetic order in few-fermion correlated spin-flip dynamics
GM Koutentakis, SI Mistakidis… - New Journal of …, 2019 - iopscience.iop.org
We unravel the dynamical stability of a fully polarized one-dimensional ultracold few-fermion
spin-1/2 gas subjected to inhomogeneous driving of the itinerant spins. Despite the unstable …
spin-1/2 gas subjected to inhomogeneous driving of the itinerant spins. Despite the unstable …
Mechanism for sound dissipation in a two-dimensional degenerate Fermi gas
K Gawryluk, M Brewczyk - Scientific Reports, 2024 - nature.com
We numerically study the transport properties of a two-dimensional Fermi gas in a weakly
and strongly interacting regimes, in the range of temperatures close to the transition to a …
and strongly interacting regimes, in the range of temperatures close to the transition to a …
Breathing mode of a Bose-Einstein condensate immersed in a Fermi sea
By analyzing the breathing mode of a Bose-Einstein condensate repulsively interacting with
a polarized fermionic cloud, we further the understanding of a Bose-Fermi mixture recently …
a polarized fermionic cloud, we further the understanding of a Bose-Fermi mixture recently …
Phase transitions of repulsive two-component Fermi gases in two dimensions
We predict the phase separations of two-dimensional Fermi gases with repulsive contact-
type interactions between two spin components. Using density-potential functional theory …
type interactions between two spin components. Using density-potential functional theory …
Itinerant ferromagnetism of a dipolar Fermi gas with Raman-induced spin-orbit coupling
XJ Feng, XD Zhao, L Qin, YY Zhang, Z Zhu, HJ Tian… - Physical Review A, 2022 - APS
We elucidate the itinerant ferromagnetism of a dipolar Fermi gas with a Raman-induced spin-
orbit coupling by investigating the exotic phase diagrams. It is revealed that the dipolar …
orbit coupling by investigating the exotic phase diagrams. It is revealed that the dipolar …
Interplay of phase separation and itinerant magnetism for correlated few fermions in a double-well
GM Koutentakis, SI Mistakidis… - New Journal of …, 2020 - iopscience.iop.org
We explore the stability of the phase separation phenomenon in few-fermion spin-1/2
systems confined in a double-well potential. It is shown that within the SU (2) symmetric …
systems confined in a double-well potential. It is shown that within the SU (2) symmetric …
Many-body molecule formation at a domain wall in a one-dimensional strongly interacting ultracold Fermi gas
A Syrwid, M Łebek, PT Grochowski, K Rzążewski - Physical Review A, 2022 - APS
We analyze how the presence of the bound state on top of strong intercomponent contact
repulsion affects the dynamics of a two-component ultracold Fermi gas confined in a one …
repulsion affects the dynamics of a two-component ultracold Fermi gas confined in a one …