Observing dynamical phases of BCS superconductors in a cavity QED simulator

DJ Young, A Chu, EY Song, D Barberena, D Wellnitz… - Nature, 2024 - nature.com
Abstract In conventional Bardeen–Cooper–Schrieffer superconductors, electrons with
opposite momenta bind into Cooper pairs due to an attractive interaction mediated by …

Control of localized single-and many-body dark states in waveguide qed

R Holzinger, R Gutierrez-Jauregui, T Hönigl-Decrinis… - Physical Review Letters, 2022 - APS
Subradiant states in a finite chain of two-level quantum emitters coupled to a one-
dimensional reservoir are a resource for superior photon storage and their controlled …

Interactions mediated by atoms, photons, electrons, and excitons

R Paredes, G Bruun, A Camacho-Guardian - Physical Review A, 2024 - APS
Interactions between quasiparticles mediated by a surrounding environment are ubiquitous
and lead to a range of important effects from collective modes of low-temperature quantum …

Cavity microscope for micrometer-scale control of atom-photon interactions

F Orsi, N Sauerwein, RP Bhatt, J Faltinath, E Fedotova… - PRX Quantum, 2024 - APS
Cavity quantum electrodynamics offers the possibility of observing and controlling the
motion of a few or individual atoms, enabling the realization of various quantum …

Disorder-enhanced transport in a chain of lossy dipoles strongly coupled to cavity photons

TF Allard, G Weick - Physical Review B, 2022 - APS
We study the interplay between disorder and light-matter coupling by considering a
disordered one-dimensional chain of lossy dipoles coupled to a multimode optical cavity …

A cavity quantum electrodynamics implementation of the Sachdev--Ye--Kitaev model

P Uhrich, S Bandyopadhyay, N Sauerwein… - arXiv preprint arXiv …, 2023 - arxiv.org
The search for a quantum theory of gravity has led to the discovery of quantum many-body
systems that are dual to gravitational models with quantum properties. The perhaps most …

Momentum-exchange interactions in a Bragg atom interferometer suppress Doppler dephasing

C Luo, H Zhang, VPW Koh, JD Wilson, A Chu… - Science, 2024 - science.org
Large ensembles of laser-cooled atoms interacting through infinite-range photon-mediated
interactions are powerful platforms for quantum simulation and sensing. Here we realize …

Spectral engineering of cavity-protected polaritons in an atomic ensemble

M Baghdad, PA Bourdel, S Schwartz, F Ferri, J Reichel… - Nature Physics, 2023 - nature.com
Multiple quantum emitters coupled to a single cavity mode appear in many situations,
including quantum technologies and polaritonic chemistry. The ideal case of identical …

Replica symmetry breaking in a quantum-optical vector spin glass

RM Kroeze, BP Marsh, DA Schuller, HS Hunt… - arXiv preprint arXiv …, 2023 - arxiv.org
Spin glasses are canonical examples of complex matter. Although much about their
structure remains uncertain, they inform the description of a wide array of complex …

Site-selective cavity readout and classical error correction of a 5-bit atomic register

B Hu, J Sinclair, E Bytyqi, M Chong, A Rudelis… - arXiv preprint arXiv …, 2024 - arxiv.org
Optical cavities can provide fast and non-destructive readout of individual atomic qubits;
however, scaling up to many qubits remains a challenge. Using locally addressed excited …