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Validity of the rotating-wave approximation in nonadiabatic holonomic quantum computation
Uppsala University, Disciplinary Domain of Science and Technology, Physics, Department of Physics and Astronomy, Materials Theory.
Uppsala University, Disciplinary Domain of Science and Technology, Chemistry, Department of Chemistry - Ångström, Theoretical Chemistry. Centre for Quantum Technologies, NUS, Singapore. (Quantum information theory)
2013 (English)In: Physical Review A. Atomic, Molecular, and Optical Physics, ISSN 1050-2947, E-ISSN 1094-1622, Vol. 88, no 5, 054301- p.Article in journal (Refereed) Published
Abstract [en]

We examine the validity of the rotating-wave approximation (RWA) in nonadiabatic holonomic single-qubit gates [New J. Phys. 14 103035 (2012)]. We demonstrate that the adoption of RWA may lead to a sharp decline in fidelity for rapid gate implementation and small energy separation between the excited and computational states. The validity of the RWA in the recent experimental realization [Nature (London) 496 482 (2013)] of nonadiabatic holonomic quantum computation for a superconducting qubit is examined.

Place, publisher, year, edition, pages
2013. Vol. 88, no 5, 054301- p.
Keyword [en]
Quantum holonomy, quantum computation
National Category
Atom and Molecular Physics and Optics
Research subject
Physics with spec. in Atomic, Molecular and Condensed Matter Physics
Identifiers
URN: urn:nbn:se:uu:diva-203317DOI: 10.1103/PhysRevA.88.054301ISI: 000327237700013OAI: oai:DiVA.org:uu-203317DiVA: diva2:636102
Available from: 2013-07-08 Created: 2013-07-08 Last updated: 2017-12-06Bibliographically approved

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Publisher's full textarxiv:1307.1536

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Spiegelberg, JakobSjöqvist, Erik

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