作者: Richard A. Webb , Richard F. Voss , G. Grinstein , P. M. Horn
DOI: 10.1103/PHYSREVLETT.51.690
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摘要: This letter reports measurements down to 3 mK of the magnetic field dependence resistance and critical current a weakly coupled periodic array Josephson junctions. Below 700 is an oscillatory function field. The temperature for integral numbers flux quanta per cell suggests existence Kosterlitz-Thouless transition involving unbinding defects in lattice.