Hauptseite > Workflowsammlungen > Öffentliche Einträge > Noise analysis of qubits implemented in triple quantum dot systems in a Davies master equation approach > print |
001 | 139683 | ||
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024 | 7 | _ | |a 10.1103/PhysRevB.87.195309 |2 doi |
024 | 7 | _ | |a 0163-1829 |2 ISSN |
024 | 7 | _ | |a 1095-3795 |2 ISSN |
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024 | 7 | _ | |a 1098-0121 |2 ISSN |
024 | 7 | _ | |a arXiv:1211.0417 |2 arXiv |
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024 | 7 | _ | |a 2128/5596 |2 Handle |
037 | _ | _ | |a FZJ-2013-05657 |
082 | _ | _ | |a 530 |
100 | 1 | _ | |a Mehl, Sebastian |0 P:(DE-Juel1)145051 |b 0 |e Corresponding author |u fzj |
245 | _ | _ | |a Noise analysis of qubits implemented in triple quantum dot systems in a Davies master equation approach |
260 | _ | _ | |a College Park, Md. |c 2013 |b APS |
336 | 7 | _ | |a Journal Article |b journal |m journal |0 PUB:(DE-HGF)16 |s 139683 |2 PUB:(DE-HGF) |
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336 | 7 | _ | |a ARTICLE |2 BibTeX |
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336 | 7 | _ | |a article |2 DRIVER |
500 | _ | _ | |3 POF3_Assignment on 2016-02-29 |
500 | _ | _ | |a 30 pages, 18 figures |
520 | _ | _ | |a We analyze the influence of noise for qubits implemented using a triple quantum dot spin system. We give a detailed description of the physical realization and develop error models for the dominant external noise sources. We use a Davies master equation approach to describe their influence on the qubit. The triple dot system contains two meaningful realizations of a qubit: We consider a subspace and a subsystem of the full Hilbert space to implement the qubit. We test the robustness of these two implementations with respect to the qubit stability. When performing the noise analysis, we extract the initial time evolution of the qubit using a Nakajima-Zwanzig approach. We find that the initial time evolution, which is essential for qubit applications, decouples from the long time dynamics of the system. We extract probabilities for the qubit errors of dephasing, relaxation and leakage. Using the Davies model to describe the environment simplifies the noise analysis. It allows us to construct simple toy models, which closely describe the error probabilities. |
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542 | _ | _ | |i 2013-05-20 |2 Crossref |u http://link.aps.org/licenses/aps-default-license |
588 | _ | _ | |a Dataset connected to arXivarXiv, CrossRef, juser.fz-juelich.de |
700 | 1 | _ | |a DiVincenzo, David |0 P:(DE-Juel1)143759 |b 1 |u fzj |
773 | 1 | 8 | |a 10.1103/physrevb.87.195309 |b American Physical Society (APS) |d 2013-05-20 |n 19 |p 195309 |3 journal-article |2 Crossref |t Physical Review B |v 87 |y 2013 |x 1098-0121 |
773 | _ | _ | |a 10.1103/PhysRevB.87.195309 |g Vol. 87, no. 19, p. 195309 |0 PERI:(DE-600)2844160-6 |n 19 |p 195309 |t Physical review / B |v 87 |y 2013 |x 1098-0121 |
856 | 4 | _ | |y Publishers version according to licensing conditions. |z Published final document. |
856 | 4 | _ | |u https://juser.fz-juelich.de/record/139683/files/FZJ-2013-05657.pdf |y OpenAccess |z Published final document. |
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914 | 1 | _ | |y 2013 |
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