2026
Conformal Vacuum of dS4 × R with Oppositely Oriented Boundaries
Lucas K. Kovalsky, Shivesh Pathak, Kyle Ritchie
Modeling integrated frequency shifters and beam splitters
Manuel H. Muñoz-Arias, Kevin J. Randles, Nils T. Otterstrom, Paul S. Davids, Michael Gehl, Mohan Sarovar
Correcting coherent quantum errors by going with the flow
Wayne M. Witzel, Anand Ganti, Tzvetan S. Metodi
Data-driven learning of non-Markovian quantum dynamics
Samuel Goodwin, Brian K. McFarland, Manuel H. Muñoz-Arias, Edward C. Tortorici, Melissa C. Revelle, Christopher G. Yale, Daniel S. Lobser, Susan M. Clark, Mohan Sarovar
2025
Non-Orientable AdS3 and its Holography
Shivesh Pathak, Lucas K. Kovalsky
J. High Energ. Phys. 2025, 141 (2025)
Real-time adaptation of quantum noise channel estimates
Lucas Daguerre, Mohan Sarovar
arXiv:2501.18685 | Phys. Rev. A, 111, 062609 (2025)
Benchmarking quantum computers
Timothy Proctor, Kevin Young, Andrew D. Baczewski and Robin Blume-Kohout
Application scale quantum circuit compilation with controlled error
Justin Kalloor, Lucas Kovalsky, Mathias Weiden, John Kubiatowicz, Ed Younis, Costin Iancu, Mohan Sarovar
No Quantum Advantage in Decoded Quantum Interferometry for MaxCut
Ojas Parekh
Benchmarking quantum computers with any quantum algorithm
Stefan K. Seritan, Aditya Dhumuntarao, Aidan Q. Wilber-Gauthier, Kenneth M. Rudinger, Antonio E. Russo, Robin Blume-Kohout, Andrew D. Baczewski and Timothy Proctor
A Small and Interesting Architecture for Early Fault-Tolerant Quantum Computers
Jacob S. Nelson, Andrew J. Landahl, and Andrew D. Baczewskis
Hamiltonian Locality Testing via Trotterized Postselection
John Kallaugher, Daniel Liang
2024
Feedback-based quantum algorithms for ground state preparation
James B. Larsen, Matthew D. Grace, Andrew D. Baczewski, Alicia B. Magann
American Physical Society, 2024
Exponential quantum space advantage for approximating maximum directed cut in the streaming model
John Kallaugher, Ojas Parekh, Nadezhda Voronova
Quantum Approximate Counting with Additive Error: Hardness and Optimality
Mason L. Rhodes, Sam Slezak, Anirban Chowdhury, Yiğit Subaşı
How to Design a Quantum Streaming Algorithm Without Knowing Anything About Quantum Computing
John Kallaugher, Ojas Parekh, Nadezhda Voronova
Constrained local Hamiltonians: quantum generalizations of Vertex Cover
Ojas Parekh, Chaithanya Rayudu, and Kevin Thompson
Using a high-fidelity numerical model to infer the shape of a few-hole Ge quantum dot
Mitchell Brickson, N. Tobias Jacobson, Andrew J. Miller, Leon N. Maurer, Tzu-Ming Lu, Dwight R. Luhman, and Andrew D. Baczewski
Complexity Classification of Product State Problems for Local Hamiltonians
John Kallaugher, Ojas Parekh, Kevin Thompson, Yipu Wang, Justin Yirka
2023
Verifying quantum phase estimation using an expressive theorem-proving assistant
Wayne M. Witzel, Warren D. Craft, Robert Carr, Deepak Kapur
arXiv:2304.02183 | Phys. Rev. A.108, 052609 (2023)
Synergies Between Operations Research and Quantum Information Science
Ojas Parekh
INFORMS Journal on Computing, 2023
An SU(2)-symmetric Semidefinite Programming Hierarchy for Quantum Max Cut
Jun Takahashi, Chaithanya Rayudu, Cunlu Zhou, Robbie King, Kevin Thompson, Ojas Parekh
Improved Approximations for Extremal Eigenvalues of Sparse Hamiltonians
Daniel Hothem, Ojas Parekh, Kevin Thompson
2022
The Quantum and Classical Streaming Complexity of Quantum and Classical Max-Cut
John Kallaugher
arXiv:2206.00213 | FOCS54457.2022.00054
A Quantum Advantage for a Natural Streaming Problem
John Kallaugher
An explicit vector algorithm for high-girth MaxCut
Jessica K. Thompson, Ojas Parekh, Kunal Marwaha
An Optimal Product-State Approximation for 2-Local Quantum Hamiltonians with Positive Terms
Ojas Parekh, Kevin Thompson
2021
Beating Random Assignment for Approximating Quantum 2-Local Hamiltonian Problems
Ojas Parekh, Kevin Thompson
arXiv:2012.12347 | LIPIcs.ESA.2021.74 (2021)
Application of the Level-2 Quantum Lasserre Hierarchy in Quantum Approximation Algorithms
Ojas Parekh, Kevin Thompson
arXiv:2105.05698 | LIPIcs.ICALP.2021.102 (2021)
Digital quantum simulation of molecular dynamics and control
Alicia B. Magann, Matthew D. Grace, Herschel A. Rabitz, and Mohan Sarovar
arXiv:2002.12497 | Phys. Rev. Res. 3.023165 (2021)
Evaluating Energy Differences on a Quantum Computer with Robust Phase Estimation
A. E. Russo, K. M. Rudinger, B. C. A. Morrison, and A. D. Baczewski
arXiv:2007.08697 | Phys. Rev. Lett. 126.210501
Consistency testing for robust phase estimation
Antonio E. Russo, William M. Kirby, Kenneth M. Rudinger, Andrew D. Baczewski, and Shelby Kimmel
arXiv:2011.13442 | Phys. Rev. A.103.042609
From pulses to circuits and back again: A quantum optimal control perspective on variational quantum algorithms
Alicia B. Magann, Christian Arenz, Matthew D. Grace, Tak-San Ho, Robert L. Kosut, Jarrod R. McClean, Herschel A. Rabitz, and Mohan Sarovar