Colloquium: Quantum and classical discrete time crystals

MP Zaletel, M Lukin, C Monroe, C Nayak, F Wilczek… - Reviews of Modern …, 2023 - APS
The spontaneous breaking of time-translation symmetry has led to the discovery of a new
phase of matter: the discrete time crystal. Discrete time crystals exhibit rigid subharmonic …

Quantum computation and quantum simulation with ultracold molecules

SL Cornish, MR Tarbutt, KRA Hazzard - Nature Physics, 2024 - nature.com
Ultracold molecules confined in optical lattices or tweezer traps can be used to process
quantum information and simulate the behaviour of many-body quantum systems. Molecules …

Quantum simulation and computing with Rydberg-interacting qubits

M Morgado, S Whitlock - AVS Quantum Science, 2021 - pubs.aip.org
Arrays of optically trapped atoms excited to Rydberg states have recently emerged as a
competitive physical platform for quantum simulation and computing, where high-fidelity …

Many-body–localized discrete time crystal with a programmable spin-based quantum simulator

J Randall, CE Bradley, FV van der Gronden, A Galicia… - Science, 2021 - science.org
The discrete time crystal (DTC) is a nonequilibrium phase of matter that spontaneously
breaks time-translation symmetry. Disorder-induced many-body localization can stabilize the …

Probing site-resolved correlations in a spin system of ultracold molecules

L Christakis, JS Rosenberg, R Raj, S Chi… - Nature, 2023 - nature.com
Synthetic quantum systems with interacting constituents play an important role in quantum
information processing and in explaining fundamental phenomena in many-body physics …

Dipolar spin-exchange and entanglement between molecules in an optical tweezer array

Y Bao, SS Yu, L Anderegg, E Chae, W Ketterle, KK Ni… - Science, 2023 - science.org
Ultracold polar molecules are promising candidate qubits for quantum computing and
quantum simulations. Their long-lived molecular rotational states form robust qubits, and the …

Microwave Engineering of Programmable Hamiltonians in Arrays of Rydberg Atoms

P Scholl, HJ Williams, G Bornet, F Wallner, D Barredo… - PRX Quantum, 2022 - APS
We use the resonant dipole-dipole interaction between Rydberg atoms and a periodic
external microwave field to engineer XXZ spin Hamiltonians with tunable anisotropies. The …

A dual-species Rydberg array

S Anand, CE Bradley, R White, V Ramesh, K Singh… - Nature Physics, 2024 - nature.com
Large-scale Rydberg atom arrays are used for highly coherent analogue quantum
simulations and for digital quantum computations. However, advanced quantum protocols …

On-demand entanglement of molecules in a reconfigurable optical tweezer array

CM Holland, Y Lu, LW Cheuk - Science, 2023 - science.org
Entanglement is crucial to many quantum applications, including quantum information
processing, quantum simulation, and quantum-enhanced sensing. Because of their rich …

Nuclear spin-wave quantum register for a solid-state qubit

A Ruskuc, CJ Wu, J Rochman, J Choi, A Faraon - Nature, 2022 - nature.com
Solid-state nuclear spins surrounding individual, optically addressable qubits, are a crucial
resource for quantum networks,,–, computation,,,–and simulation. Although hosts with …