New trends in quantum integrability: recent experiments with ultracold atoms

XW Guan, P He - Reports on Progress in Physics, 2022 - iopscience.iop.org
Over the past two decades quantum engineering has made significant advances in our
ability to create genuine quantum many-body systems using ultracold atoms. In particular …

Exploration of doped quantum magnets with ultracold atoms

A Bohrdt, L Homeier, C Reinmoser, E Demler, F Grusdt - Annals of Physics, 2021 - Elsevier
In the last decade, quantum simulators, and in particular cold atoms in optical lattices, have
emerged as a valuable tool to study strongly correlated quantum matter. These experiments …

Cold-atom quantum simulators of gauge theories

JC Halimeh, M Aidelsburger, F Grusdt, P Hauke… - arXiv preprint arXiv …, 2023 - arxiv.org
Gauge theories represent a fundamental framework underlying modern physics, constituting
the basis of the Standard Model and also providing useful descriptions of various …

Strong pairing in mixed-dimensional bilayer antiferromagnetic Mott insulators

A Bohrdt, L Homeier, I Bloch, E Demler, F Grusdt - Nature Physics, 2022 - nature.com
Interacting many-body systems in reduced-dimensional settings, such as ladders and few-
layer systems, are characterized by enhanced quantum fluctuations. Recently, two …

Quantum variational learning of the entanglement Hamiltonian

C Kokail, B Sundar, TV Zache, A Elben, B Vermersch… - Physical review …, 2021 - APS
Learning the structure of the entanglement Hamiltonian (EH) is central to characterizing
quantum many-body states in analog quantum simulation. We describe a protocol where …

Characterization and verification of trotterized digital quantum simulation via hamiltonian and liouvillian learning

L Pastori, T Olsacher, C Kokail, P Zoller - PRX Quantum, 2022 - APS
The goal of digital quantum simulation is to approximate the dynamics of a given target
Hamiltonian via a sequence of quantum gates, a procedure known as Trotterization. The …

Neural network approach to quasiparticle dispersions in doped antiferromagnets

H Lange, F Döschl, J Carrasquilla, A Bohrdt - Communications Physics, 2024 - nature.com
Numerically simulating large, spinful, fermionic systems is of great interest in condensed
matter physics. However, the exponential growth of the Hilbert space dimension with system …

Universal description of dissipative Tomonaga-Luttinger liquids with spin symmetry: Exact spectrum and critical exponents

K Yamamoto, N Kawakami - Physical Review B, 2023 - APS
Universal scaling relations for dissipative Tomonaga-Luttinger (TL) liquids with SU (N) spin
symmetry are obtained for both fermions and bosons, by using asymptotic Bethe-ansatz …

Antiferromagnetic Bosonic t–J Models and Their Quantum Simulation in Tweezer Arrays

L Homeier, TJ Harris, T Blatz, S Geier, S Hollerith… - Physical Review Letters, 2024 - APS
The combination of optical tweezer arrays with strong interactions—via dipole exchange of
molecules and Van der Waals interactions of Rydberg atoms—has opened the door for the …

Scalable spin squeezing from spontaneous breaking of a continuous symmetry

T Comparin, F Mezzacapo… - Physical Review Letters, 2022 - APS
Spontaneous symmetry breaking is a property of Hamiltonian equilibrium states which, in
the thermodynamic limit, retain a finite average value of an order parameter even after a field …