Control of the electromagnetic environment for single Josephson junctions using arrays of dc SQUIDs
| Autor: | David B. Haviland, Richard L. Kautz, Michio Watanabe |
|---|---|
| Rok vydání: | 2001 |
| Předmět: |
Josephson effect
Superconductivity Materials science Condensed matter physics Electromagnetic environment Metals and Alloys Coulomb blockade Condensed Matter::Mesoscopic Systems and Quantum Hall Effect Condensed Matter Physics law.invention SQUID Pi Josephson junction Tunnel effect law Condensed Matter::Superconductivity Materials Chemistry Ceramics and Composites Electrical and Electronic Engineering Quantum tunnelling |
| Zdroj: | Superconductor Science and Technology. 14:870-874 |
| ISSN: | 1361-6668 0953-2048 |
| Popis: | We have measured the current–voltage characteristics of small-capacitance single Josephson junctions at low temperatures T ≤ 0.04 K, where the strength of the coupling between the single junction and the electromagnetic environment was controlled with one-dimensional arrays of dc SQUIDs. When the zero-bias resistance of the SQUID arrays is much higher than the quantum resistance h/e2 ≈ 26 kΩ, a transition to a clear Coulomb blockade of Cooper-pair tunnelling is induced in the single junction. The measured blockade voltage agrees with the theoretical prediction. |
| Databáze: | OpenAIRE |
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