Quantum simulation for high-energy physics

CW Bauer, Z Davoudi, AB Balantekin, T Bhattacharya… - PRX quantum, 2023 - APS
It is for the first time that quantum simulation for high-energy physics (HEP) is studied in the
US decadal particle-physics community planning, and in fact until recently, this was not …

Hybrid quantum-classical algorithms in the noisy intermediate-scale quantum era and beyond

A Callison, N Chancellor - Physical Review A, 2022 - APS
Hybrid quantum-classical algorithms are central to much of the current research in quantum
computing, particularly when considering the noisy intermediate-scale quantum (NISQ) era …

Solving nuclear structure problems with the adaptive variational quantum algorithm

AM Romero, J Engel, HL Tang, SE Economou - Physical Review C, 2022 - APS
We use the Lipkin-Meshkov-Glick (LMG) model and the valence-space nuclear shell model
to examine the likely performance of variational quantum eigensolvers in nuclear-structure …

Fidelity overhead for nonlocal measurements in variational quantum algorithms

ZP Bansingh, TC Yen, PD Johnson… - The Journal of Physical …, 2022 - ACS Publications
Measuring quantum observables by grou** terms that can be rotated to sums of only
products of Pauli ẑ operators (Ising form) is proven to be efficient in near term quantum …

QChemistry: A quantum computation platform for quantum chemistry

Y Fan, J Liu, X Zeng, Z Xu, H Shang, Z Li… - arxiv preprint arxiv …, 2022 - arxiv.org
Quantum computer provides new opportunities for quantum chemistry. In this article, we
present a versatile, extensible, and efficient software package, named Q $^ 2$ Chemistry, for …

[HTML][HTML] Characterization of variational quantum algorithms using free fermions

G Matos, CN Self, Z Papić, K Meichanetzidis… - Quantum, 2023 - quantum-journal.org
We study variational quantum algorithms from the perspective of free fermions. By deriving
the explicit structure of the associated Lie algebras, we show that the Quantum Approximate …

Hybrid gate-based and annealing quantum computing for large-size Ising problems

CY Liu, HS Goan - arxiv preprint arxiv:2208.03283, 2022 - arxiv.org
One of the major problems of most quantum computing applications is that the required
number of qubits to solve a practical problem is much larger than that of today's quantum …

Empirical Power of Quantum Encoding Methods for Binary Classification

G De Luca, A Vlasic, M Vitz, A Pham - arxiv preprint arxiv:2408.13109, 2024 - arxiv.org
Quantum machine learning is one of the many potential applications of quantum computing,
each of which is hoped to provide some novel computational advantage. However, quantum …

Hardware-efficient entangled measurements for variational quantum algorithms

F Escudero, D Fernández-Fernández, G Jaumà… - Physical Review …, 2023 - APS
Variational algorithms have received significant attention in recent years due to their
potential to solve practical problems using noisy intermediate-scale quantum (NISQ) …

Metropolis-style random sampling of quantum gates for the estimation of low-energy observables

JF Unmuth-Yockey - Physical Review D, 2022 - APS
We propose a quantum algorithm to compute low-energy expectation values of a quantum
Hamiltonian by sampling a partition function associated with the average energy of that …