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    Charge-based quantum computing using single donors in semiconductors

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    Author
    Hollenberg, LCL; Dzurak, AS; Wellard, C; Hamilton, AR; Reilly, DJ; Milburn, GJ; Clark, RG
    Date
    2004-03-01
    Source Title
    PHYSICAL REVIEW B
    Publisher
    AMERICAN PHYSICAL SOC
    University of Melbourne Author/s
    Hollenberg, Lloyd; WELLARD, CAMERON
    Affiliation
    Physics
    Metadata
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    Document Type
    Journal Article
    Citations
    Hollenberg, L. C. L., Dzurak, A. S., Wellard, C., Hamilton, A. R., Reilly, D. J., Milburn, G. J. & Clark, R. G. (2004). Charge-based quantum computing using single donors in semiconductors. PHYSICAL REVIEW B, 69 (11), https://doi.org/10.1103/PhysRevB.69.113301.
    Access Status
    This item is currently not available from this repository
    URI
    http://hdl.handle.net/11343/26197
    DOI
    10.1103/PhysRevB.69.113301
    Description

    C1 - Journal Articles Refereed

    Abstract
    Solid-state quantum computer architectures with qubits encoded using single atoms are now feasible given recent advances in atomic doping of semiconductors. Here we present a charge qubit consisting of two dopant atoms in a semiconductor crystal, one of which is singly ionised. Surface electrodes control the qubit and a radio-frequency single electron transistor provides fast readout. The calculated single gate times, of order 50ps or less, are much shorter than the expected decoherence time. We propose universal one- and two-qubit gate operations for this system and discuss prospects for fabrication and scale up.
    Keywords
    Theoretical Physics; Physical Sciences

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