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Model for1/fFlux Noise in SQUIDs and Qubits
Open accessAbstract
We propose a model for 1/f flux noise in superconducting devices (f is frequency). The noise is generated by the magnetic moments of electrons in defect states which they occupy for a wide distribution of times before escaping. A trapped electron occupies one of the two Kramers-degenerate ground states, between which the transition rate is negligible at low temperature. As a result, the magnetic moment orientation is locked. Simulations of the noise produced by randomly oriented defects with a density of 5x10(17) m(-2) yield 1/f noise magnitudes in good agreement with experiments.
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Cites
Decoherence in Josephson Qubits from Dielectric Loss
Martinis, J. M., Cooper, K. B., McDermott, R., Steffen, M., Ansmann, M., Osborn, K. D., Cicak, K., Oh, S., Pappas, D. P., Simmonds, R. W., et al. (2005) · Physical Review Letters · doi:10.1103/physrevlett.95.210503 · Cited by 838
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Materials challenges and opportunities for quantum computing hardware
de Leon, N. P., Itoh, K. M., Kim, D., Mehta, K. K., Northup, T. E., Paik, H., Palmer, B. S., Samarth, N., Sangtawesin, S., & Steuerman, D. W. (2021) · Science · doi:10.1126/science.abb2823 · Cited by 710
Optimized dynamical decoupling in a model quantum memory
Biercuk, M. J., Uys, H., VanDevender, A. P., Shiga, N., Itano, W. M., & Bollinger, J. J. (2009) · Nature · doi:10.1038/nature07951 · Cited by 654
Martinis, J. M., Ansmann, M., & Aumentado, J. (2009) · Physical Review Letters · doi:10.1103/physrevlett.103.097002 · Cited by 247
Non-Markovianity of colored noisy channels
Benedetti, C., Paris, M. G. A., & Maniscalco, S. (2014) · Physical Review A · doi:10.1103/physreva.89.012114 · Cited by 82
Metadata
- Authors
- Koch, R. H., DiVincenzo, D. P., & Clarke, J.
- Venue
- Physical Review Letters
- Publisher
- American Physical Society (APS)
- Published
- 2007-06-27
- Volume
- 98
- Issue
- 26
- Pages
- 267003-267003
- ISSN
- 0031-9007 (ISSN-L)
- 1079-7114
- OpenAlex
- W2073361188
- Cited by
- 208
- References
- 1
- FWCI
- 19.70
- Type
- journal article
- Language
- en
- Open access
- green
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- Koch, R. H., DiVincenzo, D. P., & Clarke, J. (2007). Model for1/fFlux Noise in SQUIDs and Qubits. Physical Review Letters. https://doi.org/10.1103/physrevlett.98.267003
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Contains information from the Semantic Scholar Academic Graph Datasets, made available under the ODC Attribution License (ODC-BY 1.0).
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