Early fault-tolerant quantum computing

A Katabarwa, K Gratsea, A Caesura, PD Johnson - PRX quantum, 2024 - APS
In recent years, research in quantum computing has largely focused on two approaches:
near-term intermediate-scale quantum (NISQ) computing and future fault-tolerant quantum …

A comprehensive study of quantum arithmetic circuits

S Wang, X Li, WJB Lee, S Deb… - Philosophical …, 2025 - royalsocietypublishing.org
In recent decades, the field of quantum computing has experienced remarkable progress.
This progress is marked by the superior performance of many quantum algorithms …

Partially fault-tolerant quantum computing architecture with error-corrected Clifford gates and space-time efficient analog rotations

Y Akahoshi, K Maruyama, H Oshima, S Sato, K Fujii - PRX quantum, 2024 - APS
Quantum computers are expected to drastically accelerate certain computing tasks versus
classical computers. Noisy intermediate-scale quantum (NISQ) devices, which have tens to …

Statistical phase estimation and error mitigation on a superconducting quantum processor

NS Blunt, L Caune, R Izsák, ET Campbell, N Holzmann - PRX Quantum, 2023 - APS
Quantum phase estimation (QPE) is a key quantum algorithm, which has been widely
studied as a method to perform chemistry and solid-state calculations on future fault-tolerant …

Modeling the performance of early fault-tolerant quantum algorithms

Q Liang, Y Zhou, A Dalal, P Johnson - Physical Review Research, 2024 - APS
Progress in fault-tolerant quantum computation (FTQC) has driven the pursuit of practical
applications with early fault-tolerant quantum computers (EFTQC). These devices, limited in …

Robust ground-state energy estimation under depolarizing noise

Z Ding, Y Dong, Y Tong, L Lin - arxiv preprint arxiv:2307.11257, 2023 - arxiv.org
We present a novel ground-state energy estimation algorithm that is robust under global
depolarizing error channels. Building upon the recently developed Quantum Exponential …

Subspace-Based Local Compilation of Variational Quantum Circuits for Large-Scale Quantum Many-Body Simulation

S Kanasugi, Y Hidaka, YO Nakagawa, S Tsutsui… - arxiv preprint arxiv …, 2024 - arxiv.org
Simulation of quantum many-body systems is a promising application of quantum
computers. However, implementing the time-evolution operator as a quantum circuit …

Quantum Measurement for Quantum Chemistry on a Quantum Computer

S Patel, P Jayakumar, TC Yen, AF Izmaylov - arxiv preprint arxiv …, 2025 - arxiv.org
Quantum chemistry is among the most promising applications of quantum computing,
offering the potential to solve complex electronic structure problems more efficiently than …

Computation of Green's function by local variational quantum compilation

S Kanasugi, S Tsutsui, YO Nakagawa, K Maruyama… - Physical Review …, 2023 - APS
Computation of the Green's function is crucial to study the properties of quantum many-body
systems such as strongly correlated systems. Although the high-precision calculation of the …