Study on the quantum coherence in cuprate superconductor
| Project/Area Number |
21710100
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| Research Category |
Grant-in-Aid for Young Scientists (B)
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| Allocation Type | Single-year Grants |
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| Research Field |
Nanostructural science
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| Research Institution | National Institute of Advanced Industrial Science and Technology |
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Principal Investigator |
KASHIWAYA Hiromi National Institute of Advanced Industrial Science and Technology, エレクトロニクス研究部門, 研究員 (60443181)
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| Project Period (FY) |
2009 – 2010
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| Project Status |
Completed (Fiscal Year 2010)
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| Budget Amount *help |
¥4,680,000 (Direct Cost: ¥3,600,000、Indirect Cost: ¥1,080,000)
Fiscal Year 2010: ¥1,690,000 (Direct Cost: ¥1,300,000、Indirect Cost: ¥390,000)
Fiscal Year 2009: ¥2,990,000 (Direct Cost: ¥2,300,000、Indirect Cost: ¥690,000)
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| Keywords | 量子情報 / 量子ビット / 銅酸化物超伝導体 / 固有ジョセブソン接合 / 固有ジョセフソン接合 / 銅酸化物高温超伝導体 / 位相量子ビット |
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| Research Abstract |
Intrinsic Josephson junction made of high-Tc superconductor is one of the most promising candidate for the qubit. In this study, an Bi_2Sr_1.6La_o.4CUO_6+δ IJJ array was used because this sample is a good example for investigating the many body problem in quantum mechanics. The experimental result of the IJJ array showed multi-junction switching (MJS) : several intrinsic Josephson junctions (IJJs) in an array switch to the finite voltage state simultaneously. The number of multi-switching junction was successfully tuned by changing the load resistance serially connected to an BBi_2Sr_1.6La_o.4CUO_6+δ IJJ array.
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Report
(4 results)
Research Products
(18 results)
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[Journal Article] C-axis critical current of a PrFeAs_0.7 single crystal, Appl.2010
Author(s)
H.Kashiwaya, K.Shirai, T.Matsumoto, H.Shibata, H.Kambara, M.Ishikado, H.Eisaki, A.Iyo, S.Shamoto, I.Kurosawa
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Journal Title
Related Report
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