Cold atoms meet lattice gauge theory

M Aidelsburger, L Barbiero… - … of the Royal …, 2022 - royalsocietypublishing.org
The central idea of this review is to consider quantum field theory models relevant for
particle physics and replace the fermionic matter in these models by a bosonic one. This is …

Realization of Qi-Wu-Zhang model in spin-orbit-coupled ultracold fermions

MC Liang, YD Wei, L Zhang, XJ Wang, H Zhang… - Physical Review …, 2023 - APS
Based on the optical Raman lattice technique, we experimentally realize the Qi-Wu-Zhang
model for the quantum anomalous Hall phase in ultracold fermions with two-dimensional …

Quantum simulation of chiral phase transitions

AM Czajka, ZB Kang, H Ma, F Zhao - Journal of High Energy Physics, 2022 - Springer
A bstract The Nambu–Jona-Lasinio (NJL) model has been widely studied for investigating
the chiral phase structure of strongly interacting matter. The study of the thermodynamics of …

[HTML][HTML] Large-N Chern insulators: Lattice field theory and quantum simulation approaches to correlation effects in the quantum anomalous Hall effect

L Ziegler, E Tirrito, M Lewenstein, S Hands… - Annals of Physics, 2022 - Elsevier
Four-Fermi quantum field theories in (2+ 1) dimensions lie among the simplest models in
high-energy physics, the understanding of which requires a non-perturbative lattice …

Inhomogeneous phases in the chirally imbalanced 2+ 1-dimensional Gross-Neveu model and their absence in the continuum limit

L Pannullo, M Wagner, M Winstel - Symmetry, 2022 - mdpi.com
We studied the μ-μ 45-T phase diagram of the 2+ 1-dimensional Gross-Neveu model, where
μ denotes the ordinary chemical potential, μ 45 the chiral chemical potential and T the …

Topological chiral currents in the Gross-Neveu model extension

E Tirrito, M Lewenstein, A Bermudez - Physical Review B, 2022 - APS
We unveil an interesting connection of Lorentz-violating quantum field theories, studied in
the context of the standard model extension, and Hubbard-type models of topological …

Characterizing Floquet topological phases by quench dynamics: A multiple-subsystem approach

BB Wang, L Zhang - Physical Review A, 2024 - APS
We investigate the dynamical characterization theory for periodically driven systems in
which Floquet topology can be fully detected by emergent topological patterns of quench …

Kondo effect with Wilson fermions

T Ishikawa, K Nakayama, K Suzuki - Physical Review D, 2021 - APS
We investigate the Kondo effect with Wilson fermions. This is based on a mean-field
approach for the chiral Gross-Neveu model including four-point interactions between a light …

Non-Abelian dynamical gauge field and topological superfluids in optical Raman lattice

XC Zhou, TH Yang, ZY Wang, XJ Liu - arXiv preprint arXiv:2309.12923, 2023 - arxiv.org
We propose an experimental scheme to realize non-Abelian dynamical gauge field for
ultracold fermions, which induces a novel pairing mechanism of topological superfluidity …

A higher-order topological twist on cold-atom SO() Dirac fields

A Bermudez, D González-Cuadra, S Hands - SciPost Physics, 2024 - scipost.org
Ultracold Fermi gases of spin-3/2 atoms provide a clean platform to realise SO ($5 $) models
of 4-Fermi interactions in the laboratory. By confining the atoms in a two-dimensional Raman …