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Current–voltage characteristics of a mesoscopic Josephson junction in a low-impedance environment

✍ Scribed by Yamaguchi Takahide; Shinya Uji; Hisao Miyazaki; Youiti Ootuka; Pertti J. Hakonen

Publisher
Elsevier Science
Year
2005
Tongue
English
Weight
384 KB
Volume
359-361
Category
Article
ISSN
0921-4526

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✦ Synopsis

We have studied current-voltage ðI2V Þ characteristics in a single small-capacitance Josephson junction with a parallel shunt resistor and high-resistive leads placed near the junctions. We observe a supercurrent peak without Coulomb blockade in the I2V curves of junctions having the shunt resistance below the quantum resistance R Q ð h=4e 2 ¼ 6:45 kOÞ:

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A solution for current–voltage character
A solution for current–voltage characteristics of multiple coupled mesoscopic tunnel junctions
✍ Nima Mokhlesi; Reza Jazayeri; David B. Janes 📂 Article 📅 1997 🏛 Elsevier Science 🌐 English ⚖ 162 KB

A theoretical conduction model for structures composed of a number of conducting islands that are coupled to each other, and to external leads/gates via tunnel junctions has been developed. In this semiclassical approach, each tunnel junction is modeled by a tunneling resistance, R, and a tunnel cap