Quantum error mitigation

Z Cai, R Babbush, SC Benjamin, S Endo… - Reviews of Modern …, 2023 - APS
For quantum computers to successfully solve real-world problems, it is necessary to tackle
the challenge of noise: the errors that occur in elementary physical components due to …

Quantum computing for chemistry and physics applications from a Monte Carlo perspective

G Mazzola - The Journal of Chemical Physics, 2024 - pubs.aip.org
This Perspective focuses on the several overlaps between quantum algorithms and Monte
Carlo methods in the domains of physics and chemistry. We will analyze the challenges and …

Simulating lattice gauge theory on a quantum computer

C Charles, EJ Gustafson, E Hardt, F Herren, N Hogan… - Physical Review E, 2024 - APS
The utility of quantum computers for simulating lattice gauge theories is currently limited by
the noisiness of the physical hardware. Various quantum error mitigation strategies exist to …

Towards near-term quantum simulation of materials

L Clinton, T Cubitt, B Flynn, FM Gambetta… - Nature …, 2024 - nature.com
Determining the ground and excited state properties of materials is considered one of the
most promising applications of quantum computers. On near-term hardware, the limiting …

Orbital-optimized pair-correlated electron simulations on trapped-ion quantum computers

L Zhao, J Goings, K Shin, W Kyoung, JI Fuks… - npj Quantum …, 2023 - nature.com
Variational quantum eigensolvers (VQE) are among the most promising approaches for
solving electronic structure problems on near-term quantum computers. A critical challenge …

Quantum error mitigated classical shadows

H Jnane, J Steinberg, Z Cai, HC Nguyen, B Koczor - PRX Quantum, 2024 - APS
Classical shadows enable us to learn many properties of a quantum state ρ with very few
measurements. However, near-term and early fault-tolerant quantum computers will only be …

Experimental quantum computational chemistry with optimized unitary coupled cluster ansatz

S Guo, J Sun, H Qian, M Gong, Y Zhang, F Chen, Y Ye… - Nature Physics, 2024 - nature.com
Quantum computational chemistry has emerged as a potential application of quantum
computing. Hybrid quantum-classical computing methods, such as variational quantum …

Assessing the benefits and risks of quantum computers

TL Scholten, CJ Williams, D Moody, M Mosca… - arxiv preprint arxiv …, 2024 - arxiv.org
Quantum computing is an emerging technology with potentially far-reaching implications for
national prosperity and security. Understanding the timeframes over which economic …

Pulse variational quantum eigensolver on cross-resonance-based hardware

DJ Egger, C Capecci, B Pokharel, PK Barkoutsos… - Physical Review …, 2023 - APS
State-of-the-art noisy digital quantum computers can only execute short-depth quantum
circuits. Variational algorithms are a promising route to unlock the potential of noisy quantum …

Tailored and externally corrected coupled cluster with quantum inputs

M Scheurer, GLR Anselmetti, O Oumarou… - Journal of Chemical …, 2024 - ACS Publications
We propose to use wave function overlaps obtained from a quantum computer as inputs for
the classical split-amplitude techniques, tailored and externally corrected coupled cluster, to …