Stuart Hadfield studies quantum algorithms with an emphasis on constrained optimization, algorithm design, and complexity.
People / current team
Stuart Hadfield
Senior Scientist. Quantum algorithms, constrained optimization, and complexity.
Scholarly output
Publications
2022
A Parameter Setting Heuristic for the Quantum Alternating Operator Ansatz
James Sud, Stuart Hadfield, Eleanor Rieffel, Norm Tubman, Tad Hogg · arXiv preprint arXiv:2211.09270
2022
Analytical Framework for Quantum Alternating Operator Ansätze
Stuart Hadfield, Tad Hogg, Eleanor G Rieffel · Quantum Science and Technology
2020
Characterizing local noise in QAOA circuits
Jeffrey Marshall, Filip Wudarski, Stuart Hadfield, Tad Hogg · SciNotes
2021
Classical symmetries and the Quantum Approximate Optimization Algorithm
Ruslan Shaydulin, Stuart Hadfield, Tad Hogg, Ilya Safro · Quantum Information Processing
2022
Diagrammatic Analysis for Parameterized Quantum Circuits
Tobias Stollenwerk, Stuart Hadfield · arXiv preprint arXiv:2204.01307
2022
Encoding trade-offs and design toolkits in quantum algorithms for discrete optimization: coloring, routing, scheduling, and other problems
Nicolas PD Sawaya, Albert T Schmitz, Stuart Hadfield · arXiv preprint arXiv:2203.14432
2020
Ferromagnetically shifting the power of pausing
.08526, 2020/6/15 Zoe Gonzalez Izquierdo, Shon Grabbe, Stuart Hadfield, Jeffrey Marshall, Zhihui Wang, Eleanor Rieffel · arXiv preprint arXiv:
2024
FOCQS: Feedback Optimally Controlled Quantum States
Lucas T Brady, Stuart Hadfield · arXiv preprint arXiv:2409.15426
2019
From ansätze to Z-gates: A NASA view of quantum computing
Eleanor G Rieffel, Stuart Hadfield, Tad Hogg, Salvatore Mandrà, Jeffrey Marshall, Gianni Mossi, Bryan O'Gorman, Eugeniu Plamadeala, Norm M Tubman, Davide Venturelli, et al. · Future Trends of HPC in a Disruptive Scenario
2019
2024
Imposing Constraints on Driver Hamiltonians and Mixing Operators: From Theory to Practical Implementation
Hannes Leipold, Federico M Spedalieri, Stuart Hadfield, Eleanor Rieffel · arXiv preprint arXiv:2407.01975
2024
Improving Quantum Approximate Optimization by Noise-Directed Adaptive Remapping
Filip B Maciejewski, Jacob Biamonte, Stuart Hadfield, Davide Venturelli · arXiv preprint arXiv:2404.01412
2023
Iterative Quantum Algorithms for Maximum Independent Set: A Tale of Low-Depth Quantum Algorithms
Lucas T Brady, Stuart Hadfield · arXiv preprint arXiv:2309.13110
2024
Measurement-Based Quantum Approximate Optimization
Tobias Stollenwerk, Stuart Hadfield · arXiv preprint arXiv:2403.11514
2021
On the representation of Boolean and real functions as Hamiltonians for quantum computing
Stuart Hadfield · ACM Transactions on Quantum Computing
2024
Optimized quantum simulation algorithms for scalar quantum field theories
Andrew Hardy, Priyanka Mukhopadhyay, M Sohaib Alam, Robert Konik, Layla Hormozi, Eleanor Rieffel, Stuart Hadfield, Joao Barata, Raju Venugopalan, Dmitri E Kharzeev, et al. · arXiv preprint arXiv:2407.13819
2021
Optimizing quantum heuristics with meta-learning
Max Wilson, Rachel Stromswold, Filip Wudarski, Stuart Hadfield, Norm M Tubman, Eleanor G Rieffel · Quantum Machine Intelligence
2022
Primitive Quantum Gates for Dihedral Gauge Theories
M Sohaib Alam, Stuart Hadfield, Henry Lamm, Andy CY Li · Physical Review D
2021
Quantum-accelerated constraint programming
Kyle EC Booth, Bryan O'Gorman, Jeffrey Marshall, Stuart Hadfield, Eleanor Rieffel · Quantum
2023
Quantum Alternating Operator Ansatz (QAOA) beyond low depth with gradually changing unitaries
Vladimir Kremenetski, Anuj Apte, Tad Hogg, Stuart Hadfield, Norm M Tubman · arXiv preprint arXiv:2305.04455
2021
Quantum Alternating Operator Ansatz (QAOA) Phase Diagrams and Applications for Quantum Chemistry
Vladimir Kremenetski, Tad Hogg, Stuart Hadfield, Stephen J Cotton, Norm M Tubman · arXiv preprint arXiv:2108.13056
2023
Quantum Enhanced Greedy Solver for Optimization Problems
Maxime Dupont, Bram Evert, Mark J Hodson, Bhuvanesh Sundar, Stephen Jeffrey, Yuki Yamaguchi, Dennis Feng, Filip B Maciejewski, Stuart Hadfield, M Sohaib Alam, et al. · arXiv preprint arXiv:2303.05509
2022
Self-consistent Quantum Iteratively Sparsified Hamiltonian method (SQuISH): A new algorithm for efficient Hamiltonian simulation and compression
Diana B Chamaki, Stuart Hadfield, Katherine Klymko, Bryan O'Gorman, Norm M Tubman · arXiv preprint arXiv:2211.16522
2023
Two-Unitary Decomposition Algorithm and Open Quantum System Simulation
Nishchay Suri, Joseph Barreto, Stuart Hadfield, Nathan Wiebe, Filip Wudarski, Jeffrey Marshall · Quantum