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Technical manuscripts

Technical manuscripts, background material, and research developed by Q-CTRL and our partners.

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Sample-based quantum diagonalization approach for open-shell transition-metal complexes in gas and implicit-solve

David David, Vedangi Pathak, Marek Kowalik, Hamed Mohammadbagherpoor, Vincent Beltrani, Kara Maller, Niall Moroney, Phalgun Lolur

Jul 17, 2026

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arXiv

Community research
Simulating the Dynamics of Markovian Quantum Processes by Quantum Collision Models on Quantum Computers

Zeqing Wang, Julian D. Teske, Anshuman Bhardwaj, Masahiro O. Takahashi, Seiji Yunoki

Jun 26, 2026

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arXiv

Community research
Driving exchange interaction in spin qubits with quasi-zero pulses

Julian D. Teske, Remy L. Delva, Shobhan Kulshreshtha, Yuval Baum, Florian Luthi, Fahd A. Mohiyaddin, Rostyslav Savytskyy, Thomas Watson, Pranav S. Mundada

Jun 5, 2026

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arXiv

Q-CTRL research
Fast, accurate, high-resolution simulation of large-scale Fermi-Hubbard models on a digital quantum processor

Gavin S. Hartnett, Khadijeh Sona Najafi, Aleksei Khindanov, Haoran Liao, Michael Schutzman, Michael R. Hush, Michael J. Biercuk, and Yuval Baum

May 6, 2026

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arXiv

Q-CTRL research
Simulating the dynamics of an SU(2) matrix model on a trapped-ion quantum computer

Gavin S. Hartnett, Haoran Liao, Enrico Rinaldi

Apr 15, 2026

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arXiv

Q-CTRL research
Heterogeneous architectures enable a 138x reduction in physical qubit requirements for fault-tolerant quantum computing under detailed accounting

Pranav S. Mundada, Aleksei Khindanov, Yulun Wang, Claire L. Edmunds, Paul Coote, Michael J. Biercuk, Yuval Baum, Michael Hush

Apr 7, 2026

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arXiv

Q-CTRL research
Constrained Quantum Optimization at Utility Scale: Application to the Knapsack Problem

Naeimeh Mohseni, Julien-Pierre Houle, Ibrahim Shehzad, Giorgio Cortiana, Corey O’Meara and Adam Bene Watts

Feb 27, 2026

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arXiv

Community research
Tensor-based phase difference estimation on time series analysis

Shu Kanno, Kenji Sugisaki, Rei Sakuma, Jumpei Kato, Hajime Nakamura, Naoki Yamamoto

Jan 22, 2026

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arXiv

Community research
Large circuit execution for NMR spectroscopy simulation on NISQ quantum hardware

Artemiy Burov, Julien Baglio, Clément Javerzac-Galy

Dec 16, 2025

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arXiv

Community research

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