Practical quantum advantage in quantum simulation

AJ Daley, I Bloch, C Kokail, S Flannigan, N Pearson… - Nature, 2022 - nature.com
The development of quantum computing across several technologies and platforms has
reached the point of having an advantage over classical computers for an artificial problem …

Quantum gas microscopy for single atom and spin detection

C Gross, WS Bakr - Nature Physics, 2021 - nature.com
A particular strength of ultracold quantum gases is the range of versatile detection methods
that are available. As they are based on atom–light interactions, the whole quantum optics …

Magnetically mediated hole pairing in fermionic ladders of ultracold atoms

S Hirthe, T Chalopin, D Bourgund, P Bojović, A Bohrdt… - Nature, 2023 - nature.com
Conventional superconductivity emerges from pairing of charge carriers—electrons or holes—
mediated by phonons. In many unconventional superconductors, the pairing mechanism is …

Frustration-and doping-induced magnetism in a Fermi–Hubbard simulator

M Xu, LH Kendrick, A Kale, Y Gang, G Ji, RT Scalettar… - Nature, 2023 - nature.com
Geometrical frustration in strongly correlated systems can give rise to a plethora of novel
ordered states and intriguing magnetic phases, such as quantum spin liquids,–. Promising …

Visualization of dynamic polaronic strain fields in hybrid lead halide perovskites

B Guzelturk, T Winkler, TWJ Van de Goor, MD Smith… - Nature materials, 2021 - nature.com
Excitation localization involving dynamic nanoscale distortions is a central aspect of
photocatalysis, quantum materials and molecular optoelectronics. Experimental …

Correlated insulator of excitons in WSe2/WS2 moiré superlattices

R Xiong, JH Nie, SL Brantly, P Hays, R Sailus… - Science, 2023 - science.org
A panoply of unconventional electronic states has been observed in moiré superlattices.
Engineering similar bosonic phases remains, however, largely unexplored. We report the …

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 …

Directly imaging spin polarons in a kinetically frustrated Hubbard system

ML Prichard, BM Spar, I Morera, E Demler, ZZ Yan… - Nature, 2024 - nature.com
The emergence of quasiparticles in quantum many-body systems underlies the rich
phenomenology in many strongly interacting materials. In the context of doped Mott …

Microscopic evolution of doped Mott insulators from polaronic metal to Fermi liquid

J Koepsell, D Bourgund, P Sompet, S Hirthe, A Bohrdt… - Science, 2021 - science.org
The competition between antiferromagnetism and hole motion in two-dimensional Mott
insulators lies at the heart of a doping-dependent transition from an anomalous metal to a …

Observation of Nagaoka polarons in a Fermi–Hubbard quantum simulator

M Lebrat, M Xu, LH Kendrick, A Kale, Y Gang… - Nature, 2024 - nature.com
Quantum interference can deeply alter the nature of many-body phases of matter. In the
case of the Hubbard model, Nagaoka proved that introducing a single itinerant charge can …