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 …

Challenges and opportunities in quantum optimization

A Abbas, A Ambainis, B Augustino, A Bärtschi… - Nature Reviews …, 2024 - nature.com
Quantum computers have demonstrable ability to solve problems at a scale beyond brute-
force classical simulation. Interest in quantum algorithms has developed in many areas …

Exponentially tighter bounds on limitations of quantum error mitigation

Y Quek, D Stilck França, S Khatri, JJ Meyer, J Eisert - Nature Physics, 2024 - nature.com
Quantum error mitigation has been proposed as a means to combat unwanted and
unavoidable errors in near-term quantum computing without the heavy resource overheads …

Quantum algorithms for quantum dynamics

A Miessen, PJ Ollitrault, F Tacchino… - Nature Computational …, 2023 - nature.com
Among the many computational challenges faced across different disciplines, quantum-
mechanical systems pose some of the hardest ones and offer a natural playground for the …

Quantum optimization: Potential, challenges, and the path forward

A Abbas, A Ambainis, B Augustino, A Bärtschi… - arxiv preprint arxiv …, 2023 - arxiv.org
Recent advances in quantum computers are demonstrating the ability to solve problems at a
scale beyond brute force classical simulation. As such, a widespread interest in quantum …

Unleashed from constrained optimization: quantum computing for quantum chemistry employing generator coordinate inspired method

M Zheng, B Peng, A Li, X Yang, K Kowalski - npj Quantum Information, 2024 - nature.com
Hybrid quantum-classical approaches offer potential solutions to quantum chemistry
problems, yet they often manifest as constrained optimization problems. Here, we explore …

Microcanonical and finite-temperature ab initio molecular dynamics simulations on quantum computers

IO Sokolov, PK Barkoutsos, L Moeller, P Suchsland… - Physical Review …, 2021 - APS
Ab initio molecular dynamics (AIMD) is a powerful tool to predict properties of molecular and
condensed matter systems. However, the quality of this procedure relies on the availability of …

One-particle Green's functions from the quantum equation of motion algorithm

J Rizzo, F Libbi, F Tacchino, PJ Ollitrault, N Marzari… - Physical Review …, 2022 - APS
Many-body Green's functions encode all the properties and excitations of interacting
electrons. While these are challenging to be evaluated accurately on a classical computer …

State preparation and evolution in quantum computing: A perspective from Hamiltonian moments

JC Aulicino, T Keen, B Peng - International Journal of Quantum …, 2022 - Wiley Online Library
Quantum algorithms on noisy intermediate‐scale quantum (NISQ) devices are expected to
soon simulate quantum systems that are classically intractable. However, the non‐negligible …

A quantum computing implementation of nuclearelectronic orbital (NEO) theory: Toward an exact pre-Born–Oppenheimer formulation of molecular quantum systems

A Kovyrshin, M Skogh, A Broo, S Mensa… - The Journal of …, 2023 - pubs.aip.org
Nuclear quantum phenomena beyond the Born–Oppenheimer approximation are known to
play an important role in a growing number of chemical and biological processes. While …