Presentation | 1995/7/26 Shot noise properties of superconducting ballistic contact Atsushi Saito, Yukinori Misaki, Satoru Anezaki, Katsuyoshi Hamasaki, |
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Abstract(in Japanese) | (See Japanese page) |
Abstract(in English) | We have fabricated and characterized all-thin film Nb-constrictions-NbN Superconducting point contacts, and measured low-frequency voltage noise power spectral density. The quasiparticle conductance is based on retro-reflection of incident electron (i.e., Andreev reflection) at Superconductor (S)-Normal-Metal (N) interfaces. The experimental result was compared with the Liu and Yamamoto theory [Phys. Rev. B 50, 17411 (1994)]. Especially, we take notice of the crossover from thermal to shot noise behavior, and of the temperature dependence of the crossover voltage. In this paper, we also show a phenomenological expression of voltage noise power spectral density from ballistic to dissipative regime in superconducting constrictions. |
Keyword(in Japanese) | (See Japanese page) |
Keyword(in English) | superconducting point contact / shot noise / crossover voltage |
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Committee | SCE |
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Conference Date | 1995/7/26(1days) |
Place (in Japanese) | (See Japanese page) |
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Registration To | Superconductive Electronics (SCE) |
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Language | JPN |
Title (in Japanese) | (See Japanese page) |
Sub Title (in Japanese) | (See Japanese page) |
Title (in English) | Shot noise properties of superconducting ballistic contact |
Sub Title (in English) | |
Keyword(1) | superconducting point contact |
Keyword(2) | shot noise |
Keyword(3) | crossover voltage |
1st Author's Name | Atsushi Saito |
1st Author's Affiliation | Nagaoka University of Technology() |
2nd Author's Name | Yukinori Misaki |
2nd Author's Affiliation | Takuma National College of Technology |
3rd Author's Name | Satoru Anezaki |
3rd Author's Affiliation | Nagaoka University of Technology |
4th Author's Name | Katsuyoshi Hamasaki |
4th Author's Affiliation | Nagaoka University of Technology |
Date | 1995/7/26 |
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Volume (vol) | vol.95 |
Number (no) | 186 |
Page | pp.pp.- |
#Pages | 6 |
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