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 …

Exponential error suppression for near-term quantum devices

B Koczor - Physical Review X, 2021 - APS
Suppressing noise in physical systems is of fundamental importance. As quantum
computers mature, quantum error correcting codes (QECs) will be adopted in order to …

Ground-state preparation and energy estimation on early fault-tolerant quantum computers via quantum eigenvalue transformation of unitary matrices

Y Dong, L Lin, Y Tong - PRX Quantum, 2022 - APS
Under suitable assumptions, some recently developed quantum algorithms can estimate the
ground-state energy and prepare the ground state of a quantum Hamiltonian with near …

Quantum computing: an overview across the system stack

S Resch, UR Karpuzcu - arxiv preprint arxiv:1905.07240, 2019 - arxiv.org
Quantum computers, if fully realized, promise to be a revolutionary technology. As a result,
quantum computing has become one of the hottest areas of research in the last few years …

Mitigating depolarizing noise on quantum computers with noise-estimation circuits

M Urbanek, B Nachman, VR Pascuzzi, A He… - Physical review …, 2021 - APS
A significant problem for current quantum computers is noise. While there are many distinct
noise channels, the depolarizing noise model often appropriately describes average noise …

Efficient measure for the expressivity of variational quantum algorithms

Y Du, Z Tu, X Yuan, D Tao - Physical Review Letters, 2022 - APS
The superiority of variational quantum algorithms (VQAs) such as quantum neural networks
(QNNs) and variational quantum eigensolvers (VQEs) heavily depends on the expressivity …

Randomized compiling for scalable quantum computing on a noisy superconducting quantum processor

A Hashim, RK Naik, A Morvan, JL Ville… - arxiv preprint arxiv …, 2020 - arxiv.org
The successful implementation of algorithms on quantum processors relies on the accurate
control of quantum bits (qubits) to perform logic gate operations. In this era of noisy …

Optimized SWAP networks with equivalent circuit averaging for QAOA

A Hashim, R Rines, V Omole, RK Naik… - Physical Review …, 2022 - APS
The SWAP network is a qubit routing sequence that can be used to efficiently execute the
Quantum Approximate Optimization Algorithm (QAOA). Even with a minimally connected …

First-order phase transition of the Schwinger model with a quantum computer

T Angelides, P Naredi, A Crippa, K Jansen… - npj Quantum …, 2025 - nature.com
We explore the first-order phase transition in the lattice Schwinger model in the presence of
a topological θ-term by means of the variational quantum eigensolver (VQE). Using two …

Resource estimation for quantum variational simulations of the Hubbard model

Z Cai - Physical Review Applied, 2020 - APS
As the advances in quantum hardware bring us into the noisy intermediate-scale quantum
(NISQ) era, one possible task we can perform without quantum error correction using NISQ …