Logical quantum processor based on reconfigurable atom arrays

D Bluvstein, SJ Evered, AA Geim, SH Li, H Zhou… - Nature, 2024 - nature.com
Suppressing errors is the central challenge for useful quantum computing, requiring
quantum error correction (QEC),,,–for large-scale processing. However, the overhead in the …

Emergent U(1) lattice gauge theory in Rydberg atom arrays

Y Cheng, H Zhai - Nature Reviews Physics, 2024 - nature.com
Rydberg atom arrays have emerged as a novel platform exhibiting rich quantum many-body
physics and offering promise for universal quantum computation. The Rydberg blockade …

High-fidelity gates and mid-circuit erasure conversion in an atomic qubit

S Ma, G Liu, P Peng, B Zhang, S Jandura, J Claes… - Nature, 2023 - nature.com
The development of scalable, high-fidelity qubits is a key challenge in quantum information
science. Neutral atom qubits have progressed rapidly in recent years, demonstrating …

Multi-qubit gates and Schrödinger cat states in an optical clock

A Cao, WJ Eckner, T Lukin Yelin, AW Young… - Nature, 2024 - nature.com
Many-particle entanglement is a key resource for achieving the fundamental precision limits
of a quantum sensor. Optical atomic clocks, the current state of the art in frequency precision …

Constant-overhead fault-tolerant quantum computation with reconfigurable atom arrays

Q Xu, JP Bonilla Ataides, CA Pattison, N Raveendran… - Nature Physics, 2024 - nature.com
Quantum low-density parity-check (qLDPC) codes can achieve high encoding rates and
good code distance scaling, potentially enabling low-overhead fault-tolerant quantum …

Erasure conversion in a high-fidelity Rydberg quantum simulator

P Scholl, AL Shaw, RBS Tsai, R Finkelstein, J Choi… - Nature, 2023 - nature.com
Minimizing and understanding errors is critical for quantum science, both in noisy
intermediate scale quantum (NISQ) devices and for the quest towards fault-tolerant quantum …

Midcircuit Operations Using the omg Architecture in Neutral Atom Arrays

JW Lis, A Senoo, WF McGrew, F Rönchen, A Jenkins… - Physical Review X, 2023 - APS
Midcircuit operations, such as qubit state measurement or reset, are central to many tasks in
quantum information science, including quantum computing, entanglement generation, and …

Observing the quantum Mpemba effect in quantum simulations

LK Joshi, J Franke, A Rath, F Ares, S Murciano… - Physical Review Letters, 2024 - APS
The nonequilibrium physics of many-body quantum systems harbors various unconventional
phenomena. In this Letter, we experimentally investigate one of the most puzzling of these …

Universal quantum operations and ancilla-based read-out for tweezer clocks

R Finkelstein, RBS Tsai, X Sun, P Scholl, S Direkci… - Nature, 2024 - nature.com
Enhancing the precision of measurements by harnessing entanglement is a long-sought
goal in quantum metrology,. Yet attaining the best sensitivity allowed by quantum theory in …

[HTML][HTML] Quantum computing: navigating the future of computation, challenges, and technological breakthroughs

QA Memon, M Al Ahmad, M Pecht - Quantum Reports, 2024 - mdpi.com
Quantum computing stands at the precipice of technological revolution, promising
unprecedented computational capabilities to tackle some of humanity's most complex …