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Theoretical and experimental investigation of phase coherence in shorted 2D arrays of high-T c Josephson junctions

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Abstract

Phase coherence in shorted 2D Josephson junction arrays shunted by resistive load in presence of disorder and magnetic field are investigated theoretically and experimentally. Using computer simulation it is shown that magnetic field negatively influences radiation properties of such arrays. Similarly to XY-type of 2D arrays maximal spread in junction parameters which allows stable phase-locking state is ±11%. 2D arrays with topology of those investigated theoretically were fabricated using high-Tc superconductor junction technology. The phase-coherence (voltage locking) between rows was observed experimentally.

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Authors and Affiliations

  1. Dept. of Solid State Physics, Comenius University, SK-842 15, Bratislava, Slovakia

    J. Pivarč

  2. Institut für Schicht- und lonentechnik, Forschungszentrum Jülich GmbH, D-52425, Jülich, Germany

    S. Beuven & M. Darula

  3. Institut für Festkörperphysik, Friedrich-Schiller-Universität Jena, D-07743, Jena, Germany

    P. Seidel

  4. Institute of Electrical Engineering, Slovak Academy of Sciences, SK-942 39, Bratislava, Slovakia

    M. Darula & S. Beňačka

Authors
  1. J. Pivarč
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  2. S. Beuven
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  3. P. Seidel
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  4. M. Darula
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  5. S. Beňačka
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Pivarč, J., Beuven, S., Seidel, P. et al. Theoretical and experimental investigation of phase coherence in shorted 2D arrays of high-T c Josephson junctions. J Low Temp Phys 106, 339–344 (1997). https://doi.org/10.1007/BF02399636

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  • DOI: https://doi.org/10.1007/BF02399636

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