Quantum science with optical tweezer arrays of ultracold atoms and molecules

AM Kaufman, KK Ni - Nature Physics, 2021 - nature.com
Single atoms and molecules can be trapped in tightly focused beams of light that form
'optical tweezers', affording exquisite capabilities for the control and detection of individual …

Few-body Bose gases in low dimensions—A laboratory for quantum dynamics

SI Mistakidis, AG Volosniev, RE Barfknecht, T Fogarty… - Physics Reports, 2023 - Elsevier
Cold atomic gases have become a paradigmatic system for exploring fundamental physics,
which at the same time allows for applications in quantum technologies. The accelerating …

Observation of Cooper pairs in a mesoscopic two-dimensional Fermi gas

M Holten, L Bayha, K Subramanian, S Brandstetter… - Nature, 2022 - nature.com
The formation of strongly correlated fermion pairs is fundamental for the emergence of
fermionic superfluidity and superconductivity. For instance, Cooper pairs made of two …

Observation of the Hanbury Brown–Twiss effect with ultracold molecules

JS Rosenberg, L Christakis, E Guardado-Sanchez… - Nature Physics, 2022 - nature.com
Measuring the statistical correlations of individual quantum objects provides an excellent
way to study complex quantum systems. Ultracold molecules represent a powerful platform …

Non-Gaussian Correlations in the Steady State of Driven-Dissipative Clouds of Two-Level Atoms

G Ferioli, S Pancaldi, A Glicenstein, D Clément… - Physical Review Letters, 2024 - APS
We report experimental measurements of the second-order coherence function g (2)(τ) of
the light emitted by a laser-driven dense ensemble of Rb 87 atoms. We observe a clear …

Experimental extraction of the quantum effective action for a non-equilibrium many-body system

M Prüfer, TV Zache, P Kunkel, S Lannig, A Bonnin… - Nature Physics, 2020 - nature.com
On the fundamental level, quantum fluctuations or entanglement lead to complex dynamical
behaviour in many-body systems for which a description as emergent phenomena can be …

Hanbury Brown and Twiss bunching of phonons and of the quantum depletion in an interacting Bose gas

H Cayla, S Butera, C Carcy, A Tenart, G Hercé… - Physical Review Letters, 2020 - APS
We report the realization of a Hanbury Brown and Twiss (HBT)-like experiment with a gas of
interacting bosons at low temperatures. The low-temperature regime is reached in a three …

Fermionic correlation functions from randomized measurements in programmable atomic quantum devices

P Naldesi, A Elben, A Minguzzi, D Clément, P Zoller… - Physical Review Letters, 2023 - APS
We provide an efficient randomized measurement protocol to estimate two-and four-point
fermionic correlations in ultracold atom experiments. Our approach is based on combining …

Measurement of identical particle entanglement and the influence of antisymmetrization

JH Becher, E Sindici, R Klemt, S Jochim, AJ Daley… - Physical Review Letters, 2020 - APS
We explore the relationship between symmetrization and entanglement through
measurements on few-particle systems in a multiwell potential. In particular, considering two …

Momentum-space atom correlations in a Mott insulator

C Carcy, H Cayla, A Tenart, A Aspect, M Mancini… - Physical Review X, 2019 - APS
We report on the investigation of the three-dimensional single-atom-resolved distributions of
bosonic Mott insulators in momentum space. First, we measure the two-body and three-body …