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    Flux amplification using stochastic superconducting quantum interference devices

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    HanSiyuan_APL_1995(66)108.pdf (80.64Kb)
    Issue Date
    1995-01-05
    Author
    Rouse, R.
    Han, Siyuan
    Lukens, J. E.
    Publisher
    American Institute of Physics
    Type
    Article
    Article Version
    Scholarly/refereed, publisher version
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    Abstract
    The flux change δ Φ through a bistable superconducting quantum interference device has been measured in the presence of thermally induced switching (with rate Γ) versus δ Φ x , the change in the applied flux. For small δ Φ x , δ Φ is proportional to δ Φ x with a measured flux gain g, depending on the temperature, barrier height, and frequency Ω, with a maximum of about 16. In agreement with theories of periodically driven stochastic bistable systems,g(Ω) is nearly frequency independent up to Γ and is proportional to Ω−1 for Ω≫Γ. For larger amplitude signals, harmonic generation has been measured in the adiabatic limit (Ω≪Γ) and found to be in good agreement with theory. Possible applications of this system for flux measurement are discussed.
    Description
    This is the published version, also available here: http://dx.doi.org/10.1063/1.114161.
    URI
    http://hdl.handle.net/1808/17491
    DOI
    https://doi.org/10.1063/1.114161
    Collections
    • Physics & Astronomy Scholarly Works [1713]
    Citation
    Rouse, R., Han, Siyuan., Lukens, J. E. "Flux amplification using stochastic superconducting quantum interference devices." Appl. Phys. Lett. 66, 108 (1995); http://dx.doi.org/10.1063/1.114161.

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    Contact KU ScholarWorks
    785-864-8983
    KU Libraries
    1425 Jayhawk Blvd
    Lawrence, KS 66045
    785-864-8983

    KU Libraries
    1425 Jayhawk Blvd
    Lawrence, KS 66045
    Image Credits
     

     

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