Measuring electron correlation: the impact of symmetry and orbital transformations

R Izsák, AV Ivanov, NS Blunt… - Journal of Chemical …, 2023 - ACS Publications
In this perspective, the various measures of electron correlation used in wave function
theory, density functional theory and quantum information theory are briefly reviewed. We …

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 …

Effective quantum volume, fidelity and computational cost of noisy quantum processing experiments

K Kechedzhi, SV Isakov, S Mandrà, B Villalonga… - Future Generation …, 2024 - Elsevier
Today's experimental noisy quantum processors can compete with and surpass all known
algorithms on state-of-the-art supercomputers for the computational benchmark task of …

Quantum computation of stopping power for inertial fusion target design

NC Rubin, DW Berry, A Kononov… - Proceedings of the …, 2024 - National Acad Sciences
Stopping power is the rate at which a material absorbs the kinetic energy of a charged
particle passing through it—one of many properties needed over a wide range of …

Quantum simulation of battery materials using ionic pseudopotentials

MS Zini, A Delgado, R dos Reis, PAM Casares… - Quantum, 2023 - quantum-journal.org
Ionic pseudopotentials are widely used in classical simulations of materials to model the
effective potential due to the nucleus and the core electrons. Modeling fewer electrons …

Learning to decode the surface code with a recurrent, transformer-based neural network

J Bausch, AW Senior, FJH Heras, T Edlich… - arXiv preprint arXiv …, 2023 - arxiv.org
Quantum error-correction is a prerequisite for reliable quantum computation. Towards this
goal, we present a recurrent, transformer-based neural network which learns to decode the …

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 …

Estimation of electrostatic interaction energies on a trapped-ion quantum computer

PJ Ollitrault, M Loipersberger, RM Parrish… - ACS Central …, 2024 - ACS Publications
We present the first hardware implementation of electrostatic interaction energies by using a
trapped-ion quantum computer. As test system for our computation, we focus on the …

Block-Invariant Symmetry Shift: Preprocessing technique for second-quantized Hamiltonians to improve their decompositions to Linear Combination of Unitaries

I Loaiza, AF Izmaylov - Journal of Chemical Theory and …, 2023 - ACS Publications
Computational cost of energy estimation for molecular electronic Hamiltonians via quantum
phase estimation (QPE) grows with the difference between the largest and smallest …

Assessing the query complexity limits of quantum phase estimation using symmetry-aware spectral bounds

CL Cortes, D Rocca, JF Gonthier, PJ Ollitrault… - Physical Review A, 2024 - APS
The computational cost of quantum algorithms for physics and chemistry is closely linked to
the spectrum of the Hamiltonian, a property that manifests in the necessary rescaling of its …