Theory of trotter error with commutator scaling

AM Childs, Y Su, MC Tran, N Wiebe, S Zhu - Physical Review X, 2021 - APS
The Lie-Trotter formula, together with its higher-order generalizations, provides a direct
approach to decomposing the exponential of a sum of operators. Despite significant effort …

Quantum-classical computation of Schwinger model dynamics using quantum computers

N Klco, EF Dumitrescu, AJ McCaskey, TD Morris… - Physical Review A, 2018 - APS
We present a quantum-classical algorithm to study the dynamics of the two-spatial-site
Schwinger model on IBM's quantum computers. Using rotational symmetries, total charge …

Nearly optimal lattice simulation by product formulas

AM Childs, Y Su - Physical review letters, 2019 - APS
We consider simulating an n-qubit Hamiltonian with nearest-neighbor interactions evolving
for time t on a quantum computer. We show that this simulation has gate complexity (nt) 1+ o …

Hamiltonian simulation in the interaction picture

GH Low, N Wiebe - arxiv preprint arxiv:1805.00675, 2018 - arxiv.org
We present a low-space overhead simulation algorithm based on the truncated Dyson
series for time-dependent quantum dynamics. This algorithm is applied to simulating time …

Nearly tight Trotterization of interacting electrons

Y Su, HY Huang, ET Campbell - Quantum, 2021 - quantum-journal.org
We consider simulating quantum systems on digital quantum computers. We show that the
performance of quantum simulation can be improved by simultaneously exploiting …

A quantum mechanics-based framework for EEG signal feature extraction and classification

YC Li, RG Zhou, RQ Xu, J Luo… - IEEE transactions on …, 2020 - ieeexplore.ieee.org
Quantum machine learning (QML) is an emerging research field, which is devoted to
devising and implementing quantum algorithms that could enable machine learning faster …

First-order trotter error from a second-order perspective

D Layden - Physical Review Letters, 2022 - APS
Simulating quantum dynamics beyond the reach of classical computers is one of the main
envisioned applications of quantum computers. The most promising quantum algorithms to …

[ΒΙΒΛΙΟ][B] Quantum algorithms for scientific computing and approximate optimization

SA Hadfield - 2018 - search.proquest.com
Quantum computation appears to offer significant advantages over classical computation
and this has generated a tremendous interest in the field. In this thesis we study the …

Quantum simulation of the first-quantized Pauli-Fierz Hamiltonian

P Mukhopadhyay, TF Stetina, N Wiebe - PRX Quantum, 2024 - APS
We provide an explicit recursive divide-and-conquer approach for simulating quantum
dynamics and derive a discrete first-quantized nonrelativistic QED Hamiltonian based on the …

Trotter error with commutator scaling for the Fermi-Hubbard model

A Schubert, CB Mendl - Physical Review B, 2023 - APS
We derive higher-order error bounds with small prefactors for a general Trotter product
formula, generalizing a result given by Childs et al.[Phys. Rev. X 11, 011020 (2021) 2160 …