Progress in trapped-ion quantum simulation

M Foss-Feig, G Pagano, AC Potter… - Annual Review of …, 2024 - annualreviews.org
Trapped ions offer long coherence times and high fidelity, programmable quantum
operations, making them a promising platform for quantum simulation of condensed matter …

Quantum sensing and metrology for fundamental physics with molecules

D DeMille, NR Hutzler, AM Rey, T Zelevinsky - Nature Physics, 2024 - nature.com
Quantum sensing and metrology use coherent superposition states of quantum systems to
detect and measure physical effects of interest. Their sensitivity is typically limited by the …

Essay: Quantum Sensing with Atomic, Molecular, and Optical Platforms for Fundamental Physics

J Ye, P Zoller - Physical Review Letters, 2024 - APS
Atomic, molecular, and optical (AMO) physics has been at the forefront of the development of
quantum science while laying the foundation for modern technology. With the growing …

GHZ protocols enhance frequency metrology despite spontaneous decay

T Kielinski, PO Schmidt, K Hammerer - Science Advances, 2024 - science.org
The use of correlated states and measurements promises improvements in the accuracy of
frequency metrology and the stability of atomic clocks. However, develo** strategies …

Exploiting nonclassical motion of a trapped ion crystal for quantum-enhanced metrology of global and differential spin rotations

RJ Lewis-Swan, JCZ Castro, D Barberena, AM Rey - Physical Review Letters, 2024 - APS
We theoretically investigate prospects for the creation of nonclassical spin states in trapped
ion arrays by coupling to a squeezed state of the collective motion of the ions. The …

Scalable spin squeezing from critical slowing down in short-range interacting systems

T Roscilde, F Caleca, A Angelone, F Mezzacapo - Physical Review Letters, 2024 - APS
Long-range spin-spin interactions are known to generate nonequilibrium dynamics that can
squeeze the collective spin of a quantum spin ensemble in a scalable manner, leading to …

Rotor/spin-wave theory for quantum spin models with U (1) symmetry

T Roscilde, T Comparin, F Mezzacapo - Physical Review B, 2023 - APS
The static and dynamical properties of finite-size lattice quantum spin models which
spontaneously break a continuous U (1) symmetry in the thermodynamic limit are of central …

Entanglement transitions induced by quantum-data collection

SP Kelly, J Marino - Physical Review A, 2025 - APS
We present an entanglement transition in an array of qubits, induced by the transfer of
quantum information from a system to a quantum computer. This quantum-data collection is …

Multiqubit quantum state preparation enabled<? pag\break?> by topology optimization

A Miguel-Torcal, A González-Tudela… - Optica …, 2024 - opg.optica.org
Using topology optimization, we inverse-design nanophotonic cavities enabling the
preparation of pure states of pairs and triples of quantum emitters. Our devices involve …

Validating phase-space methods with tensor networks in two-dimensional spin models with power-law interactions

SR Muleady, M Yang, SR White, AM Rey - Physical Review Letters, 2023 - APS
Using a recently developed extension of the time-dependent variational principle for matrix
product states, we evaluate the dynamics of 2D power-law interacting XXZ models …