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C. J. Ballance
Researcher at University of Oxford
Publications - 56
Citations - 2613
C. J. Ballance is an academic researcher from University of Oxford. The author has contributed to research in topics: Qubit & Ion trap. The author has an hindex of 18, co-authored 42 publications receiving 1990 citations.
Papers
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Cryogenic ion trap system for high-fidelity near-field microwave-driven quantum logic
M. A. Weber,C. Loschnauer,Jochen. Wolf,Mario F. Gely,Ryan K. Hanley,J. F. Goodwin,C. J. Ballance,T. P. Harty,D. M. Lucas +8 more
TL;DR: In this article , the authors report the design, fabrication, and characterization of a cryogenic ion trap system for the implementation of quantum logic driven by near-ld microwaves.
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Dark-resonance Doppler cooling and high fluorescence in trapped Ca-43 ions at intermediate magnetic field
David Allcock,T. P. Harty,M. A. Sepiol,H. A. Janacek,C. J. Ballance,Andrew M. Steane,D. M. Lucas,D. N. Stacey +7 more
TL;DR: In this paper, the authors demonstrate simple and robust methods for Doppler cooling and obtaining high fluorescence from trapped 43Ca+ ions at a magnetic field of 146 Gauss.
Journal Article
High-fidelity spatial addressing of Ca-43 qubits using near-field microwave control
Dpla Craik,Norbert M. Linke,M. A. Sepiol,T. P. Harty,C. J. Ballance,D. N. Stacey,Andrew M. Steane,D. M. Lucas,D. T. C. Allcock +8 more
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Introducing Non-Linearity into Quantum Generative Models
TL;DR: It is shown that non-linearity is a useful resource in quantum generative models, and the QNBM is put forth as a new model with good generative performance and potential for quantum advantage.