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標題: Phase diffusions due to radio-frequency excitations in one-dimensional arrays of superconductor/insulator/superconductor junctions
作者: Liou, S.
Kuo, W.
Suen, Y.W.
Wu, C.S.
Chen, C.D.
關鍵字: single-electron transistor;josephson-junctions;tunnel-junctions;shapiro steps
Project: New Journal of Physics
期刊/報告no:: New Journal of Physics, Volume 10.
The dc response of one- dimensional (1D) arrays of superconductor) insulator) superconductor (SIS) junctions under radio- frequency (RF) irradiation has been experimentally studied. The zero- bias resistance as a function of RF amplitude in the low- frequency regime shows an oscillatory behaviour, and can be explained using the phase fluctuation model for Cooperpair tunnelling. It follows that an effective classical detector theory is applicable and the oscillation period can be compared with the superconducting gap. The results suggest a primary and direct RF detection scheme using 1D SIS junction arrays.
ISSN: 1367-2630
DOI: 10.1088/1367-2630/10/7/073025
Appears in Collections:物理學系所

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