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 …

Demonstration of fault-tolerant universal quantum gate operations

L Postler, S Heuβen, I Pogorelov, M Rispler, T Feldker… - Nature, 2022 - nature.com
Quantum computers can be protected from noise by encoding the logical quantum
information redundantly into multiple qubits using error-correcting codes,. When …

Encoding a magic state with beyond break-even fidelity

RS Gupta, N Sundaresan, T Alexander, CJ Wood… - Nature, 2024 - nature.com
To run large-scale algorithms on a quantum computer, error-correcting codes must be able
to perform a fundamental set of operations, called logic gates, while isolating the encoded …

Focus beyond quadratic speedups for error-corrected quantum advantage

R Babbush, JR McClean, M Newman, C Gidney… - PRX quantum, 2021 - APS
In this perspective we discuss conditions under which it would be possible for a modest fault-
tolerant quantum computer to realize a runtime advantage by executing a quantum …

Correlated decoding of logical algorithms with transversal gates

M Cain, C Zhao, H Zhou, N Meister, JPB Ataides… - Physical Review Letters, 2024 - APS
Quantum error correction is believed to be essential for scalable quantum computation, but
its implementation is challenging due to its considerable space-time overhead. Motivated by …

Universal quantum computing with twist-free and temporally encoded lattice surgery

C Chamberland, ET Campbell - PRX Quantum, 2022 - APS
Lattice-surgery protocols allow for the efficient implementation of universal gate sets with two-
dimensional topological codes where qubits are constrained to interact with one another …

Factoring 2048-bit rsa integers in 177 days with 13 436 qubits and a multimode memory

É Gouzien, N Sangouard - Physical review letters, 2021 - APS
We analyze the performance of a quantum computer architecture combining a small
processor and a storage unit. By focusing on integer factorization, we show a reduction by …

Logical blocks for fault-tolerant topological quantum computation

H Bombin, C Dawson, RV Mishmash, N Nickerson… - PRX Quantum, 2023 - APS
Logical gates constitute the building blocks of fault-tolerant quantum computation. While
quantum error-corrected memories have been extensively studied in the literature, explicit …

Simulating key properties of lithium-ion batteries with a fault-tolerant quantum computer

A Delgado, PAM Casares, R Dos Reis, MS Zini… - Physical Review A, 2022 - APS
There is a pressing need to develop new rechargeable battery technologies that can offer
higher energy storage, faster charging, and lower costs. Despite the success of existing …

Autonomous quantum error correction and fault-tolerant quantum computation with squeezed cat qubits

Q Xu, G Zheng, YX Wang, P Zoller, AA Clerk… - npj Quantum …, 2023 - nature.com
We propose an autonomous quantum error correction scheme using squeezed cat (SC)
code against excitation loss in continuous-variable systems. Through reservoir engineering …