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Robustness of nonadiabatic holonomic gates
Uppsala University, Disciplinary Domain of Science and Technology, Chemistry, Department of Physical and Analytical Chemistry, Quantum Chemistry. (Quantum information theory)
Uppsala University, Disciplinary Domain of Science and Technology, Chemistry, Department of Physical and Analytical Chemistry, Quantum Chemistry. (Quantum information theory)
Dept. of Applied Physics, KTH, Sweden.
Uppsala University, Disciplinary Domain of Science and Technology, Chemistry, Department of Physical and Analytical Chemistry, Quantum Chemistry. (Quantum information theory)
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2012 (English)In: Physical Review A. Atomic, Molecular, and Optical Physics, ISSN 1050-2947, E-ISSN 1094-1622, Vol. 86, no 6, 062322- p.Article in journal (Refereed) Published
Abstract [en]

The robustness to different sources of error of the scheme for non-adiabatic holonomic gates proposed in [arXiv:1107.5127v2] is investigated. Open system effects as well as errors in the driving fields are considered. It is found that the gates can be made more error resilient by using sufficiently short pulses. The principal limit of how short the pulses can be made is given by the breakdown of the quasi-monochromatic approximation. A comparison with the resilience of adiabatic gates is carried out.

Place, publisher, year, edition, pages
2012. Vol. 86, no 6, 062322- p.
Keyword [en]
Quantum computation, Quantum holonomy, Open system effects
National Category
Atom and Molecular Physics and Optics
Research subject
Physics; Physics with spec. in Atomic, Molecular and Condensed Matter Physics
Identifiers
URN: urn:nbn:se:uu:diva-173402DOI: 10.1103/PhysRevA.86.062322ISI: 000312673600003OAI: oai:DiVA.org:uu-173402DiVA: diva2:517355
Funder
Swedish Research Council
Note

Additional address (E. Sjöqvist): Centre for Quantum Technologies, NUS, Singapore.

Available from: 2012-04-23 Created: 2012-04-23 Last updated: 2017-12-07Bibliographically approved

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Publisher's full textarxiv/1204.5144

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Johansson, MarkusSjöqvist, ErikEricsson, Marie

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