Tuning of Superconductor-Insulator Transition in Single Small Josephson Junctions by Shunt Resistor

Ryuta Yagi; Shun–ichi Kobayashi

doi:10.1143/jpsj.66.3360

Journal of the Physical Society of Japan

Online ISSN : 1347-4073
Print ISSN : 0031-9015
ISSN-L : 0031-9015

Tuning of Superconductor-Insulator Transition in Single Small Josephson Junctions by Shunt Resistor

Ryuta Yagi, Shun–ichi Kobayashi

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Keywords: single small Josephson junction, shunt resistance, superconductor-insulator transition

JOURNAL RESTRICTED ACCESS

1997 Volume 66 Issue 11 Pages 3360-3362

DOI https://doi.org/10.1143/jpsj.66.3360

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Abstract

We observed an insulator-superconductor transition in small Josephson junctions shunted by ohmic resistors (R_s). The transition took place when R_sq(=h/4e²) for junctions with a tunneling resistance larger than R_q.

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