Topological quantum matter with cold atoms

DW Zhang, YQ Zhu, YX Zhao, H Yan… - Advances in Physics, 2018 - Taylor & Francis
This is an introductory review of the physics of topological quantum matter with cold atoms.
Topological quantum phases, originally discovered and investigated in condensed matter …

Out-of-equilibrium phase diagram of long-range superconductors

P Uhrich, N Defenu, R Jafari, JC Halimeh - Physical Review B, 2020 - APS
Within the ultimate goal of classifying universality in quantum many-body dynamics,
understanding the relation between out-of-equilibrium and equilibrium criticality is a crucial …

Solvable periodic Anderson model with infinite-range Hatsugai-Kohmoto interaction: Ground-states and beyond

Y Zhong - Physical Review B, 2022 - APS
In this paper we introduce a solvable two-orbital (two-band) model with an infinite-range
Hatsugai-Kohmoto interaction, which serves as a modified periodic Anderson model. Its …

Hubbard model for spin-1 Haldane chains

G Catarina, J Fernández-Rossier - Physical Review B, 2022 - APS
The Haldane phase for antiferromagnetic spin-1 chains is a celebrated topological state of
matter, featuring gapped excitations and fractional spin-1/2 edge states. Here, we provide …

Phase-separation dynamics induced by an interaction quench of a correlated Fermi-Fermi mixture in a double well

J Erdmann, SI Mistakidis, P Schmelcher - Physical Review A, 2019 - APS
We explore the interspecies interaction quench dynamics of ultracold spin-polarized few-
body mass-balanced Fermi-Fermi mixtures confined in a double well with an emphasis on …

Interorbital interactions in an -symmetric Fermi-Fermi mixture

B Abeln, K Sponselee, M Diem, N Pintul, K Sengstock… - Physical Review A, 2021 - APS
We characterize interisotope interorbital interactions between atoms in the S 0 1 ground
state and the P 0 3 metastable state in interacting Fermi-Fermi mixtures of Yb 171 and Yb …

Correlated tunneling dynamics of an ultracold Fermi-Fermi mixture confined in a double well

J Erdmann, SI Mistakidis, P Schmelcher - Physical Review A, 2018 - APS
We unravel the correlated tunneling dynamics of a mass imbalanced few-body Fermi-Fermi
mixture upon quenching the tilt of a double well. The nonequilibrium dynamics of both …

Characterization of helical states in semiconductor quantum wells using quantum information quantities

N Giovenale, O Osenda - Physica E: Low-dimensional Systems and …, 2022 - Elsevier
The information content of one-electron bulk and edge states in semiconductor quantum
wells is calculated in the inverted regime, where edge states, topologically protected, are …

Two relativistic Kondo effects: Classification with particle and antiparticle impurities

Y Araki, D Suenaga, K Suzuki, S Yasui - Physical Review Research, 2021 - APS
We investigate two different types of relativistic Kondo effects, distinguished by heavy-
impurity degrees of freedom, by focusing on the energy-momentum dispersion relations of …

Local entanglement and string order parameter in dimerized models

MS Bahovadinov, O Gülseren… - Journal of Physics …, 2019 - iopscience.iop.org
In this letter, we propose an application of string order parameter (SOP), commonly used in
quantum spin systems, to identify symmetry-protected topological phase (SPT) in fermionic …