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首页> 外文期刊>Physical review letters >Interplay between Static and Dynamic Properties of Semifluxons in YBa_2Cu_3O_(7-δ) 0-π Josephson Junctions
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Interplay between Static and Dynamic Properties of Semifluxons in YBa_2Cu_3O_(7-δ) 0-π Josephson Junctions

机译：YBa_2Cu_3O_（7-δ）0-π约瑟夫森结中半流动子的静态和动态性质之间的相互作用

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摘要

We have investigated the static and dynamic properties of long YBa_2Cu_3O_(7-δ) 0-π Josephson junctions and compared them with those of conventional 0 junctions. Scanning SQUID microscope imaging has revealed the presence of a semifluxon at the phase discontinuity point in 0-π Josephson junctions. Zero field steps have been detected in the current-voltage characteristics of all junctions. Comparison with simulation alLoews us to attribute these steps to fluxons traveling in the junction for conventional 0 junctions and to fluxon-semifluxon interactions in the case of 0-π Josephson junctions.
机译：我们研究了长YBa_2Cu_3O_（7-δ）0-π约瑟夫森结的静态和动态特性，并将其与常规0结进行了比较。扫描SQUID显微镜成像显示在0-π约瑟夫森结的相间不连续点处存在半氟酮。在所有结的电流-电压特性中检测到零场阶跃。与仿真的比较表明，我们将这些步骤归因于常规0结在结中传播的通量，而在0-π约瑟夫森结的情况下归因于通量-半磁子相互作用。

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  • 来源
    《Physical review letters》 |2010年第17期|177003.1-177003.4|共4页
  • 作者

    K. Cedergren; J.R. Kirtley; T. Bauch; G. Rotoli; A. Troeman; H. Hilgenkamp; F. Tafueri; F. Lombardi;

  • 作者单位

    Quantum Device Phyics Laboratory, Department of Microtechnology and Nanoscience, Chalmers University of Technology, SE-412 96 Goeteborg, Sweden;

    rnCenter for Probing the Nanoscale, Stanford University, Stanford, California 94304, USA;

    rnQuantum Device Phyics Laboratory, Department of Microtechnology and Nanoscience, Chalmers University of Technology, SE-412 96 Goeteborg, Sweden;

    rnCNISM and DIMEG, Universita di L'Aquila, Localita Monteluco, 67040 L'Aquila, Italy;

    rnFaculty of Science and Technology and MESA+ Institute for Nanotechnology, University of Twente, Post Office Box 217, 7500 AE Enschede, The Netherlands;

    rnFaculty of Science and Technology and MESA+ Institute for Nanotechnology, University of Twente, Post Office Box 217, 7500 AE Enschede, The Netherlands;

    rnDipartimento Ingegneria dell'Informazione, Seconda Universita di Napoli e CNR-SPIN, Aversa (CE), Italy;

    Quantum Device Phyics Laboratory, Department of Microtechnology and Nanoscience, Chalmers University of Technology, SE-412 96 Goeteborg, Sweden;

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  • 关键词

    josephson devices;

    机译：约瑟夫森设备;

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