| Presentation | 2006-07-06 Microwave power dependence of zero-crossing steps observed in BSCCO intrinsic Josephson junctions Takashi TACHIKI, Takashi UCHIDA, |
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| Abstract(in Japanese) | (See Japanese page) |
| Abstract(in English) | In order to understand a producing mechanism of microwave-induced zero-crossing steps observed in Bi_2Sr_2CaC_2uO_<8+x> (BSCCO) intrinsic Josephson Junctions, microwave power dependence of the steps has been experimentally and theoretically investigated. We fabricated a mesa structure consisting of 10 junctions on a BSCCO single crystal and observed the steps in I-V characteristics of the mesa under the irradiation with a 5-GHz microwave. The step voltage monotonically increases in a low power region and it is saturated in the higher power region. A numerical simulation using the coupled sine-Gordon equations based on both inductive and charge coupling models for the intrinsic junctions obtained the power dependence similar to the experimental result. The simulation results can explain that a harmonic component of an AC Josephson current generated by the microwave increases with increasing the power and the step voltage is produced by the current with the inverse AC Josephson effect. |
| Keyword(in Japanese) | (See Japanese page) |
| Keyword(in English) | Bi_2Sr_2CaC_2uO_<8+x> / Intrinsic Josephson Junction / Microwave-induced step / Inverse AC Josephson Effect |
| Paper # | SCE2006-12 |
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| Conference Information | |
| Committee | SCE |
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| Conference Date | 2006/6/29(1days) |
| Place (in Japanese) | (See Japanese page) |
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| Topics (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) | Microwave power dependence of zero-crossing steps observed in BSCCO intrinsic Josephson junctions |
| Sub Title (in English) | |
| Keyword(1) | Bi_2Sr_2CaC_2uO_<8+x> |
| Keyword(2) | Intrinsic Josephson Junction |
| Keyword(3) | Microwave-induced step |
| Keyword(4) | Inverse AC Josephson Effect |
| 1st Author's Name | Takashi TACHIKI |
| 1st Author's Affiliation | Department of Electrical and Electronic Engineering, National Defense Academy() |
| 2nd Author's Name | Takashi UCHIDA |
| 2nd Author's Affiliation | Department of Electrical and Electronic Engineering, National Defense Academy |
| Date | 2006-07-06 |
| Paper # | SCE2006-12 |
| Volume (vol) | vol.106 |
| Number (no) | 139 |
| Page | pp.pp.- |
| #Pages | 6 |
| Date of Issue | |