Quantum Computing

Home / Research Team

Research Team

The team works primarily with NASA Ames Quantum AI Laboratory led by Eleanor G. Rieffel under the NASA Academics Mission Service Contract. It is supported as well by the National Science Foundation Expeditions in Computing program and by the DARPA ONISQ program.

  • Davide Venturelli
  • Associate Director
  • Google Scholar
  • Aaron Lott
  • Senior Scientist and Manager
  • Google Scholar
  • Zhihui Wang
  • Senior Scientist
  • Google Scholar
  • Jeffrey Marshall
  • Scientist
  • Google Scholar
  • Stuart Hadfield
  • Scientist
  • Google Scholar
  • Filip Wudarski
  • Scientist
  • Google Scholar
  • Zoe Gonzalez Izquierdo
  • Associate Scientist
  • Google Scholar
  • David Bernal Neira
  • Associate Scientist
  • Google Scholar
  • M. Sohaib Alam
  • Scientist
  • Google Scholar
  • Nishchay Suri
  • Associate Scientist
  • Google Scholar
  • Filip Maciejewski
  • Research Assistant
  • Google Scholar
  • Jérémie Laydevant
  • Postdoctoral Fellow
  • Google Scholar
  • Ata Akbari Asanjan
  • Interdisciplinary Scientist
  • Google Scholar
  • Erik Gustafson
  • Associate Scientist
  • Google Scholar
  • Max Wilson
  • Machine Learning Researcher
  • Google Scholar

    • Team past members:

  • Alejandro Perdomo-Ortiz
  • Moved to Zapata
  • Kostyantyn Kechedzhi
  • Moved to Google
  • Norman Tubman
  • Moved to NASA
  • Eugeniu Plamadeala
  • Moved to AWS
  • Vanesa Gomez-Gonzalez
  • Moved to Cappella Space
  • Rachel Stromswold
  • Moved to NASA Ph.D. fellowship
  • Kyle Booth
  • Moved to AWS
  • James Sud
  • Moved to University of Chicago
  • Irina Hallinan Patrikeeva
  • Moved to UC Berkeley








    • 2023
    2022
    2021
    2020
    2019
    2018
    2017
    2016
    2015
    All





    Mixer-Phaser Ansätze for Quantum Optimization with Hard Constraints
    arXiv preprint arXiv:2107.06651v2, 2022/12 Ryan LaRose, Eleanor Rieffel, Davide Venturelli


    Copositive programming for mixed-binary quadratic optimization via Ising solvers
    arXiv preprint arXiv:2207.13630v1, 2022/7/27 Robin Brown, David E. Bernal Neira, Davide Venturelli, Marco Pavone


    A Finite-Range Search Formulation of Maximum Likelihood MIMO Detection for Coherent Ising Machines
    arXiv preprint arXiv:2205.05020v1, 2022/5/10 Abhishek Kumar Singh, Davide Venturelli, Kyle Jamieson


    Quantum computing hardware for HEP algorithms and sensing
    arXiv preprint arXiv:2204.08605v3, 2022/4/19 M. Sohaib Alam, Sergey Belomestnykh, Nicholas Bornman, Gustavo Cancelo, Yu-Chiu Chao, Mattia Checchin, Vinh San Dinh, Anna Grassellino, Erik J. Gustafson, Roni Harnik, et al.


    Numerical Gate Synthesis for Quantum Heuristics on Bosonic Quantum Processors
    arXiv preprint arXiv:2201.07787v2, 2022/1 A. Barış Özgüler, Davide Venturelli


    Inter-generational comparison of quantum annealers in solving hard scheduling problems
    arXiv preprint arXiv:2112.00727v1, 2021/12/1 Bibek Pokharel, Zoe Gonzalez Izquierdo, P. Aaron Lott, Elena Strbac, Krzysztof Osiewalski, Emmanuel Papathanasiou, Alexei Kondratyev, Davide Venturelli, Eleanor Rieffel


    Entanglement Across Separate Silicon Dies in a Modular Superconducting Qubit Device
    arXiv preprint arXiv:2102.13293v2, 2021/9/28 Alysson Gold, JP Paquette, Anna Stockklauser, Matthew J. Reagor, M. Sohaib Alam, Andrew Bestwick, Nicolas Didier, Ani Nersisyan, Feyza Oruc, Armin Razavi, et al.


    Quantum Annealing for Large MIMO Downlink Vector Perturbation Precoding
    arXiv preprint arXiv:2102.12540v1, 2021/6/14 Srikar Kasi, Abhishek Kumar Singh, Davide Venturelli, Kyle Jamieson


    Physics-Inspired Heuristics for Soft MIMO Detection in 5G New Radio and Beyond
    arXiv preprint arXiv:2103.10561v1, 2021/3/18 Minsung Kim, Salvatore Mandrà, Davide Venturelli, Kyle Jamieson


    Quantum annealing speedup of embedded problems via suppression of Griffiths singularities
    arXiv preprint arXiv:2006.12731v1, 2020/12/10 Sergey Knysh, Eugeniu Plamadeala, Davide Venturelli


    Towards Hybrid Classical-Quantum Computation Structures in Wirelessly-Networked Systems
    arXiv preprint arXiv:2010.00682v1, 2020/11/4 Minsung Kim, Davide Venturelli, Kyle Jamieson


    Integer programming techniques for minor-embedding in quantum annealers
    arXiv preprint arXiv:1912.08314v2, 2020/9/21 David E. Bernal, Kyle E. C. Booth, Raouf Dridi, Hedayat Alghassi, Sridhar Tayur, Davide Venturelli


    Leveraging Quantum Annealing for Large MIMO Processing in Centralized Radio Access Networks
    arXiv preprint arXiv:2001.04014v1, 2019/8/19 Minsung Kim, Davide Venturelli, Kyle Jamieson


    Power of Pausing: Advancing Understanding of Thermalization in Experimental Quantum Annealers
    arXiv preprint arXiv:1810.05881v2, 2019/4/25 Jeffrey Marshall, Davide Venturelli, Itay Hen, Eleanor G. Rieffel


    Quantum Annealing Applied to De-Conflicting Optimal Trajectories for Air Traffic Management
    arXiv preprint arXiv:1711.04889v2, 2019/2/18 Tobias Stollenwerk, Bryan O'Gorman, Davide Venturelli, Salvatore Mandrà, Olga Rodionova, Hok K. Ng, Banavar Sridhar, Eleanor G. Rieffel, Rupak Biswas


    From the Quantum Approximate Optimization Algorithm to a Quantum Alternating Operator Ansatz
    arXiv preprint arXiv:1709.03489v2, 2019/2/12 Stuart Hadfield, Zhihui Wang, Bryan O'Gorman, Eleanor G. Rieffel, Davide Venturelli, Rupak Biswas


    Comparing and Integrating Constraint Programming and Temporal Planning for Quantum Circuit Compilation
    arXiv preprint arXiv:1803.06775v1, 2018/6/15 Kyle E. C. Booth, Minh Do, J. Christopher Beck, Eleanor Rieffel, Davide Venturelli, Jeremy Frank


    Compiling quantum circuits to realistic hardware architectures using temporal planners
    arXiv preprint arXiv:1705.08927v2, 2018/2/21 Davide Venturelli, Minh Do, Eleanor Rieffel, Jeremy Frank


    A NASA Perspective on Quantum Computing: Opportunities and Challenges
    arXiv preprint arXiv:1704.04836v1, 2017/5/1 Rupak Biswas, Zhang Jiang, Kostya Kechezhi, Sergey Knysh, Salvatore Mandrà, Bryan O'Gorman, Alejandro Perdomo-Ortiz, Andre Petukhov, John Realpe-Gómez, Eleanor Rieffel, et al.


    Quantum annealing via environment-mediated quantum diffusion
    arXiv preprint arXiv:1511.02581v2, 2017/2/10 Vadim N. Smelyanskiy, Davide Venturelli, Alejandro Perdomo-Ortiz, Sergey Knysh, Mark I. Dykman


    Quantum Annealing Implementation of Job-Shop Scheduling
    arXiv preprint arXiv:1506.08479v2, 2015/6/29 Davide Venturelli, Dominic J. J. Marchand, Galo Rojo


    Logical shadow tomography: Efficient estimation of error-mitigated observables
    arXiv preprint arXiv:2203.07263v1, 2022/3/14 Hong-Ye Hu, Ryan LaRose, Yi-Zhuang You, Eleanor Rieffel, Zhihui Wang


    Quantum algorithms with local particle number conservation: noise effects and error correction
    arXiv preprint arXiv:2011.06873v1, 2020/11/13 Michael Streif, Martin Leib, Filip Wudarski, Eleanor Rieffel, Zhihui Wang


    Character randomized benchmarking for non-multiplicity-free groups with applications to subspace, leakage, and matchgate randomized benchmarking
    arXiv preprint arXiv:2011.00007v2, 2020/10/30 Jahan Claes, Eleanor Rieffel, Zhihui Wang


    Ferromagnetically shifting the power of pausing
    arXiv preprint arXiv:2006.08526v1, 2020/6/15 Zoe Gonzalez Izquierdo, Shon Grabbe, Stuart Hadfield, Jeffrey Marshall, Zhihui Wang, Eleanor Rieffel


    Near-optimal quantum circuit for Grover's unstructured search using a transverse field
    arXiv preprint arXiv:1702.02577v3, 2017/6/12 Zhang Jiang, Eleanor G. Rieffel, Zhihui Wang


    Master Equation Emulation and Coherence Preservation with Classical Control of a Superconducting Qubit
    arXiv preprint arXiv:2210.01388v2, 2022/12/28 Evangelos Vlachos, Haimeng Zhang, Vivek Maurya, Jeffrey Marshall, Tameem Albash, Eli M. Levenson-Falk


    Distillation of Indistinguishable Photons
    arXiv preprint arXiv:2203.15197v3, 2022/11/16 J Marshall


    Towards solving the Fermi-Hubbard model via tailored quantum annealers
    arXiv preprint arXiv:2207.14374v1, 2022/7/28 Ryan Levy, Zoe Gonzalez Izquierdo, Zhihui Wang, Jeffrey Marshall, Joseph Barreto, Louis Fry-Bouriaux, Daniel T. O'Connor, Paul A. Warburton, Nathan Wiebe, Eleanor Rieffel, et al.


    Two-Unitary Decomposition Algorithm and Open Quantum System Simulation
    arXiv preprint arXiv:2207.10007v1, 2022/7/20 Nishchay Suri, Joseph Barreto, Stuart Hadfield, Nathan Wiebe, Filip Wudarski, Jeffrey Marshall


    Dual Map Framework for Noise Characterization of Quantum Computers
    arXiv preprint arXiv:2112.04414v1, 2022/7/15 James Sud, Jeffrey Marshall, Zhihui Wang, Eleanor Rieffel, Filip A. Wudarski


    Perils of Embedding for Quantum Sampling
    arXiv preprint arXiv:2103.07036v2, 2022/2/22 Jeffrey Marshall, Gianni Mossi, Eleanor G. Rieffel


    HybridQ: A Hybrid Simulator for Quantum Circuits
    arXiv preprint arXiv:2111.06868v1, 2021/11/15 Salvatore Mandrà, Jeffrey Marshall, Eleanor G. Rieffel, Rupak Biswas


    Quantum-accelerated constraint programming
    arXiv preprint arXiv:2103.04502v2, 2021/9/28 Kyle E. C. Booth, Bryan O'Gorman, Jeffrey Marshall, Stuart Hadfield, Eleanor Rieffel


    Augmented fidelities for single qubit gates
    arXiv preprint arXiv:2006.03086v2, 2020/11/12 Filip Wudarski, Jeffrey Marshall, Andre Petukhov, Eleanor Rieffel


    Comparing relaxation mechanisms in quantum and classical transverse-field annealing
    arXiv preprint arXiv:2009.04934v2, 2020/9/10 Tameem Albash, Jeffrey Marshall


    Perils of Embedding for Sampling Problems
    arXiv preprint arXiv:1909.12184v2, 2020/4/9 Jeffrey Marshall, Andrea Di Gioacchino, Eleanor G. Rieffel


    Characterizing local noise in QAOA circuits
    arXiv preprint arXiv:2002.11682v1, 2020/2/26 Jeffrey Marshall, Filip Wudarski, Stuart Hadfield, Tad Hogg


    Thermalization, freeze-out and noise: deciphering experimental quantum annealers
    arXiv preprint arXiv:1703.03902v2, 2017/12/26 Jeffrey Marshall, Eleanor G. Rieffel, Itay Hen


    A Parameter Setting Heuristic for the Quantum Alternating Operator Ansatz
    arXiv preprint arXiv:2211.09270v1, 2022/11/17 James Sud, Stuart Hadfield, Eleanor Rieffel, Norm Tubman, Tad Hogg


    Primitive Quantum Gates for Dihedral Gauge Theories
    arXiv preprint arXiv:2108.13305v2, 2022/6/2 M. Sohaib Alam, Stuart Hadfield, Henry Lamm, Andy C. Y. Li


    Diagrammatic Analysis for Parameterized Quantum Circuits
    arXiv preprint arXiv:2204.01307v1, 2022/4/4 Tobias Stollenwerk, Stuart Hadfield


    Encoding trade-offs and design toolkits in quantum algorithms for discrete optimization: coloring, routing, scheduling, and other problems
    arXiv preprint arXiv:2203.14432v1, 2022/3/28 Nicolas PD Sawaya, Albert T Schmitz, Stuart Hadfield


    Analytical Framework for Quantum Alternating Operator Ansätze
    arXiv preprint arXiv:2105.06996v2, 2022 Stuart Hadfield, Tad Hogg, Eleanor G. Rieffel


    On the representation of Boolean and real functions as Hamiltonians for quantum computing
    arXiv preprint arXiv:1804.09130v2, 2021/12/21 Stuart Hadfield


    Classical symmetries and the Quantum Approximate Optimization Algorithm
    arXiv preprint arXiv:2012.04713v3, 2021/11 Ruslan Shaydulin, Stuart Hadfield, Tad Hogg, Ilya Safro


    Quantum Alternating Operator Ansatz (QAOA) Phase Diagrams and Applications for Quantum Chemistry
    arXiv preprint arXiv:2108.13056v2, 2021/8/30 Vladimir Kremenetski, Tad Hogg, Stuart Hadfield, Stephen J. Cotton, Norm M. Tubman


    Optimizing quantum heuristics with meta-learning
    arXiv preprint arXiv:1908.03185v1, 2021/6 Max Wilson, Sam Stromswold, Filip Wudarski, Stuart Hadfield, Norm M. Tubman, Eleanor Rieffel


    From Ansätze to Z-gates: a NASA View of Quantum Computing
    arXiv preprint arXiv:1905.02860v2, 2019/5/8 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.


    Characterizing low-frequency qubit noise
    arXiv preprint arXiv:2207.01740v1, 2022/7/4 Filip Wudarski, Yaxing Zhang, Alexander Korotkov, A. G. Petukhov, M. I. Dykman


    Real time evolution for ultracompact Hamiltonian eigenstates on quantum hardware
    arXiv preprint arXiv:2103.08563v3, 2022/5/3 Katherine Klymko, Carlos Mejuto-Zaera, Stephen J. Cotton, Filip Wudarski, Miroslav Urbanek, Diptarka Hait, Martin Head-Gordon, K. Birgitta Whaley, Jonathan Moussa, Nathan Wiebe, et al.


    Wave function Ansatz (but Periodic) Networks and the Homogeneous Electron Gas
    arXiv preprint arXiv:2202.04622v2, 2022/2/2 Max Wilson, Saverio Moroni, Markus Holzmann, Nicholas Gao, Filip Wudarski, Tejs Vegge, Arghya Bhowmik


    Simulations of state-of-the-art fermionic neural network wave functions with diffusion Monte Carlo
    arXiv preprint arXiv:2103.12570v2, 2021/3/23 Max Wilson, Nicholas Gao, Filip Wudarski, Eleanor Rieffel, Norm M. Tubman


    Localization transition induced by programmable disorder
    arXiv preprint arXiv:2108.06762v3, 2022/4/1 Jaime L. C. da C. Filho, Zoe Gonzalez Izquierdo, Andreia Saguia, Tameem Albash, Itay Hen, Marcelo S. Sarandy


    Fermionic approach to variational quantum simulation of Kitaev spin models
    arXiv preprint arXiv:2204.05322v1, 2022/4/11 Ammar Jahin, Andy C. Y. Li, Thomas Iadecola, Peter P. Orth, Gabriel N. Perdue, Alexandru Macridin, M. Sohaib Alam, Norm M. Tubman


    Benchmarking variational quantum eigensolvers for the square-octagon-lattice Kitaev model
    arXiv preprint arXiv:2108.13375v2, 2021/8/30 Andy C. Y. Li, M. Sohaib Alam, Thomas Iadecola, Ammar Jahin, Doga Murat Kurkcuoglu, Richard Li, Peter P. Orth, A. Barış Özgüler, Gabriel N. Perdue, Norm M. Tubman


    Quantum Logic Gate Synthesis as a Markov Decision Process
    arXiv preprint arXiv:1912.12002v2, 2019/12/27 M. Sohaib Alam, Noah F. Berthusen, Peter P. Orth


    Readiness of Quantum Optimization Machines for Industrial Applications
    arXiv preprint arXiv:1708.09780v2, 2019/7/2 Alejandro Perdomo-Ortiz, Alexander Feldman, Asier Ozaeta, Sergei V. Isakov, Zheng Zhu, Bryan O'Gorman, Helmut G. Katzgraber, Alexander Diedrich, Hartmut Neven, Johan de Kleer, et al.


    Opportunities and challenges for quantum-assisted machine learning in near-term quantum computers
    arXiv preprint arXiv:1708.09757v2, 2018/6/19 Alejandro Perdomo-Ortiz, Marcello Benedetti, John Realpe-Gómez, Rupak Biswas


    Quantum-Assisted Learning of Hardware-Embedded Probabilistic Graphical Models
    arXiv preprint arXiv:1609.02542v4, 2017/11/30 Marcello Benedetti, John Realpe-Gómez, Rupak Biswas, Alejandro Perdomo-Ortiz


    Determination and correction of persistent biases in quantum annealers
    arXiv preprint arXiv:1503.05679v1, 2016/1/19 Alejandro Perdomo-Ortiz, Bryan O'Gorman, Joseph Fluegemann, Rupak Biswas, Vadim N. Smelyanskiy


    A Performance Estimator for Quantum Annealers: Gauge selection and Parameter Setting
    arXiv preprint arXiv:1503.01083v1, 2015/3/3 Alejandro Perdomo-Ortiz, Joseph Fluegemann, Rupak Biswas, Vadim N. Smelyanskiy


    Bayesian Network Structure Learning Using Quantum Annealing
    arXiv preprint arXiv:1407.3897v2, 2015/2/1 Bryan O'Gorman, Alejandro Perdomo-Ortiz, Ryan Babbush, Alan Aspuru-Guzik, Vadim Smelyanskiy


    A Quantum Annealing Approach for Fault Detection and Diagnosis of Graph-Based Systems
    arXiv preprint arXiv:1406.7601v2, 2015/2/1 Alejandro Perdomo-Ortiz, Joseph Fluegemann, Sriram Narasimhan, Rupak Biswas, Vadim N. Smelyanskiy


    Architectures for Multinode Superconducting Quantum Computers
    arXiv preprint arXiv:2212.06167v1, 2022/12/12 James Ang, Gabriella Carini, Yanzhu Chen, Isaac Chuang, Michael Austin DeMarco, Sophia E. Economou, Alec Eickbusch, Andrei Faraon, Kai-Mei Fu, Steven M. Girvin, et al.


    Computing Free Energies with Fluctuation Relations on Quantum Computers
    arXiv preprint arXiv:2103.09846v2, 2022/9/23 Lindsay Bassman, Katherine Klymko, Diyi Liu, Norman M. Tubman, Wibe A. de Jong


    Simulation of adiabatic quantum computing for molecular ground states
    arXiv preprint arXiv:2103.12059v2, 2021/12/21 Vladimir Kremenetski, Carlos Mejuto-Zaera, Stephen J. Cotton, Norm M. Tubman


    Are multi-quasiparticle interactions important in molecular ionization?
    arXiv preprint arXiv:2009.02401v2, 2021/3/28 Carlos Mejuto-Zaera, Guorong Weng, Mariya Romanova, Stephen J. Cotton, K. Birgitta Whaley, Norm M. Tubman, Vojtěch Vlček


    CASSCF with Extremely Large Active Spaces using the Adaptive Sampling Configuration Interaction Method
    arXiv preprint arXiv:1912.08379v2, 2020/2/28 Daniel S. Levine, Diptarka Hait, Norm M. Tubman, Susi Lehtola, K. Birgitta Whaley, Martin Head-Gordon


    Beyond MP2 initialization for unitary coupled cluster quantum circuits
    arXiv preprint arXiv:2301.05666v1, 2023/1/13 Mark R. Hirsbrunner, Diana Chamaki, J. Wayne Mullinax, Norm M. Tubman


    Advantage of pausing: parameter setting for quantum annealers
    arXiv preprint arXiv:2205.12936v2, 2022/11/17 Zoe Gonzalez Izquierdo, Shon Grabbe, Husni Idris, Zhihui Wang, Jeffrey Marshall, Eleanor Rieffel


    Experimental investigation of performance differences between Coherent Ising Machines and a quantum annealer
    arXiv preprint arXiv:1805.05217v3, 2019/5/1 Ryan Hamerly, Takahiro Inagaki, Peter L. McMahon, Davide Venturelli, Alireza Marandi, Tatsuhiro Onodera, Edwin Ng, Carsten Langrock, Kensuke Inaba, Toshimori Honjo, et al.


    Quantum Enhanced Greedy Solver for Optimization Problems
    arXiv preprint arXiv:2303.05509v1, 2023/3/9 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.


    Anomaly Detection in Aeronautics Data with Quantum-compatible Discrete Deep Generative Model
    arXiv preprint arXiv:2303.12302v1, 2023/3/22 Thomas Templin, Milad Memarzadeh, Walter Vinci, P Aaron Lott, Ata Akbari Asanjan, Anthony Alexiades Armenakas, Eleanor Rieffel


    Numerical gate synthesis for quantum heuristics on bosonic quantum processors
    arXiv preprint arXiv:2201.07787v2, 2022 A Barış Özgüler, Davide Venturelli


    Self-consistent Quantum Iteratively Sparsified Hamiltonian method (SQuISH): A new algorithm for efficient Hamiltonian simulation and compression
    arXiv preprint arXiv:2211.16522v1, 2022/11/29 Diana B. Chamaki, Stuart Hadfield, Katherine Klymko, Bryan O'Gorman, Norm M. Tubman


    Asymptotically Faster Quantum Distributed Algorithms for Approximate Steiner Trees and Directed Minimum Spanning Trees
    arXiv preprint arXiv:2304.02825v1, 2023/4/6 Phillip A. Kerger, David E. Bernal Neira, Zoe Gonzalez Izquierdo, Eleanor G. Rieffel


    Nonergodic measurements of qubit frequency noise
    arXiv preprint arXiv:2304.05241v1, 2023/4/11 Filip Wudarski, Yaxing Zhang, M. I. Dykman


    Quantum Alternating Operator Ansatz (QAOA) beyond low depth with gradually changing unitaries
    arXiv preprint arXiv:2305.04455v1, 2023/5/8 Vladimir Kremenetski, Anuj Apte, Tad Hogg, Stuart Hadfield, Norm M. Tubman


    Preparing quantum many-body scar states on quantum computers
    arXiv preprint arXiv:2301.08226v2, 2023/1/19 Erik J. Gustafson, Andy C. Y. Li, Abid Khan, Joonho Kim, Doga Murat Kurkcuoglu, M. Sohaib Alam, Peter P. Orth, Armin Rahmani, Thomas Iadecola