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 …

Near-term quantum computing techniques: Variational quantum algorithms, error mitigation, circuit compilation, benchmarking and classical simulation

HL Huang, XY Xu, C Guo, G Tian, SJ Wei… - Science China Physics …, 2023 - Springer
Quantum computing is a game-changing technology for global academia, research centers
and industries including computational science, mathematics, finance, pharmaceutical …

Scalable error mitigation for noisy quantum circuits produces competitive expectation values

Y Kim, CJ Wood, TJ Yoder, ST Merkel, JM Gambetta… - Nature Physics, 2023 - nature.com
Noise in existing quantum processors only enables an approximation to ideal quantum
computation. However, for the computation of expectation values, these approximations can …

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 …

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 …

Computationally efficient zero-noise extrapolation for quantum-gate-error mitigation

VR Pascuzzi, A He, CW Bauer, WA De Jong… - Physical Review A, 2022 - APS
Zero-noise extrapolation (ZNE) is a widely used technique for gate-error mitigation on near-
term quantum computers because it can be implemented in software and does not require …

Experimental benchmarking of an automated deterministic error-suppression workflow for quantum algorithms

PS Mundada, A Barbosa, S Maity, Y Wang, T Merkh… - Physical Review …, 2023 - APS
Excitement about the promise of quantum computers is tempered by the reality that the
hardware remains exceptionally fragile and error prone, forming a bottleneck in the …

Towards Early Fault Tolerance on a Array of Qubits Equipped with Shuttling

A Siegel, A Strikis, M Fogarty - PRX Quantum, 2024 - APS
It is well understood that a two-dimensional grid of locally interacting qubits is a promising
platform for achieving fault-tolerant quantum computing. However in the near future, it may …

Multi-exponential error extrapolation and combining error mitigation techniques for NISQ applications

Z Cai - npj Quantum Information, 2021 - nature.com
Noise in quantum hardware remains the biggest roadblock for the implementation of
quantum computers. To fight the noise in the practical application of near-term quantum …

Enhancing quantum utility: simulating large-scale quantum spin chains on superconducting quantum computers

TA Chowdhury, K Yu, MA Shamim, ML Kabir… - Physical Review …, 2024 - APS
We present the quantum simulation of the frustrated quantum spin-1 2 antiferromagnetic
Heisenberg spin chain with competing nearest-neighbor (J 1) and next-nearest-neighbor (J …