Technical manuscripts

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

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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
June 5, 2026

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

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

Gavin S. Hartnett, Haoran Liao, Enrico Rinaldi
April 15, 2026

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
April 7, 2026

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
February 27, 2026

Tensor-based phase difference estimation on time series analysis

Shu Kanno, Kenji Sugisaki, Rei Sakuma, Jumpei Kato, Hajime Nakamura, Naoki Yamamoto
January 22, 2026

Large circuit execution for NMR spectroscopy simulation on NISQ quantum hardware

Artemiy Burov, Julien Baglio, Clément Javerzac-Galy
December 16, 2025

Practical protein-pocket hydration-site prediction for drug discovery on a quantum computer

Daniele Loco, Kisa Barkemeyer, Andre R. R. Carvalho, Jean-Philip Piquemal
December 9, 2025

Quantum spectroscopy of topological dynamics via a supersymmetric Hamiltonian

Hiroshi Yamauchi, Satoshi Kanno, Yuki Sato, Hiroyuki Tezuka, Yoshi-aki Shimada, Eriko Kaminishi, Naoki Yamamoto
November 28, 2025