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 …

SU (2) hadrons on a quantum computer via a variational approach

YY Atas, J Zhang, R Lewis, A Jahanpour… - Nature …, 2021 - nature.com
Quantum computers have the potential to create important new opportunities for ongoing
essential research on gauge theories. They can provide simulations that are unattainable on …

Qubit readout error mitigation with bit-flip averaging

AWR Smith, KE Khosla, CN Self, MS Kim - Science advances, 2021 - science.org
Quantum computers are becoming increasingly accessible and may soon outperform
classical computers for useful tasks. However, qubit readout errors remain a substantial …

Review on quantum computing for lattice field theory

L Funcke, T Hartung, K Jansen, S Kühn - arXiv preprint arXiv:2302.00467, 2023 - arxiv.org
In these proceedings, we review recent advances in applying quantum computing to lattice
field theory. Quantum computing offers the prospect to simulate lattice field theories in …

Quantifying the effect of gate errors on variational quantum eigensolvers for quantum chemistry

K Dalton, CK Long, YS Yordanov, CG Smith… - npj Quantum …, 2024 - nature.com
Variational quantum eigensolvers (VQEs) are leading candidates to demonstrate near-term
quantum advantage. Here, we conduct density-matrix simulations of leading gate-based …

Towards quantum simulations in particle physics and beyond on noisy intermediate-scale quantum devices

L Funcke, T Hartung, K Jansen… - … of the Royal …, 2022 - royalsocietypublishing.org
We review two algorithmic advances that bring us closer to reliable quantum simulations of
model systems in high-energy physics and beyond on noisy intermediate-scale quantum …

Using classical bit-flip correction for error mitigation including 2-qubit correlations

C Alexandrou, L Funcke, T Hartung, K Jansen… - arXiv preprint arXiv …, 2021 - arxiv.org
We present an error mitigation scheme which corrects readout errors on Noisy Intermediate-
Scale Quantum (NISQ) computers [1, 2]. After a short review of applying the method to one …

Dimensional expressivity analysis of parametric quantum circuits

L Funcke, T Hartung, K Jansen, S Kühn, P Stornati - Quantum, 2021 - quantum-journal.org
Parametric quantum circuits play a crucial role in the performance of many variational
quantum algorithms. To successfully implement such algorithms, one must design efficient …

Locality and error mitigation of quantum circuits

MC Tran, K Sharma, K Temme - arXiv preprint arXiv:2303.06496, 2023 - arxiv.org
In this work, we study and improve two leading error mitigation techniques, namely
Probabilistic Error Cancellation (PEC) and Zero-Noise Extrapolation (ZNE), for estimating …