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Decoherence in a superconducting quantum bit circuit
Open accessAbstract
Decoherence in quantum bit circuits is presently a major limitation to their use for quantum computing purposes. We present experiments, inspired from NMR, that characterize decoherence in a particular superconducting quantum bit circuit, the quantronium. We introduce a general framework for the analysis of decoherence, based on the spectral densities of the noise sources coupled to the qubit. Analysis of our measurements within this framework indicates a simple model for the noise sources acting on the qubit. We discuss various methods to fight decoherence.
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Cites
Quantum Computation and Quantum Information
Nielsen, M. A., Chuang, I., & Grover, L. K. (2002) · American Journal of Physics · doi:10.1119/1.1463744 · Cited by 21,895
Strong coupling of a single photon to a superconducting qubit using circuit quantum electrodynamics
Wallraff, A., Schuster, D. I., Blais, A., Frunzio, L., Huang, R. S., Majer, J., Kumar, S., Girvin, S. M., & Schoelkopf, R. J. (2004) · Nature · doi:10.1038/nature02851 · Cited by 3,796
Cited by
Degen, C. L., Reinhard, F., & Cappellaro, P. (2017) · Reviews of Modern Physics · doi:10.1103/revmodphys.89.035002 · Cited by 4,045
Charge-insensitive qubit design derived from the Cooper pair box
Koch, J., Yu, T. M., Gambetta, J., Houck, A. A., Schuster, D. I., Majer, J., Blais, A., Devoret, M. H., Girvin, S. M., & Schoelkopf, R. J. (2007) · Physical Review A · doi:10.1103/physreva.76.042319 · Cited by 3,351
The flux qubit revisited to enhance coherence and reproducibility
Yan, F., Gustavsson, S., Kamal, A., Birenbaum, J., Sears, A. P., Hover, D., Gudmundsen, T. J., Rosenberg, D., Samach, G., Weber, S., et al. (2016) · Nature Communications · doi:10.1038/ncomms12964 · Cited by 587
Information scrambling in quantum circuits
Mi, X., Roushan, P., Quintana, C., Mandrà, S., Marshall, J., Neill, C., Arute, F., Arya, K., Atalaya, J., Babbush, R., et al. (2021) · Science · doi:10.1126/science.abg5029 · Cited by 283
Correlating Decoherence in Transmon Qubits: Low Frequency Noise by Single Fluctuators
Schlör, S., Lisenfeld, J., Müller, C., Bilmes, A., Schneider, A., Pappas, D. P., Ustinov, A. V., & Weides, M. (2019) · Physical Review Letters · doi:10.1103/physrevlett.123.190502 · Cited by 209
Metadata
- Authors
- Ithier, G., Collin, E., Joyez, P., Meeson, P. J., Vion, D., Esteve, D., Chiarello, F., Shnirman, A., Makhlin, Y., Schriefl, J., & Schön, G.
- Venue
- Physical Review B
- Publisher
- American Physical Society (APS)
- Published
- 2005-10-24
- Volume
- 72
- Issue
- 13
- ISSN
- 1098-0121 (ISSN-L)
- 1550-235X
- OpenAlex
- W2060352036
- Cited by
- 639
- References
- 2
- FWCI
- 34.70
- Type
- journal article
- Language
- en
- Open access
- green
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- Ithier, G., Collin, E., Joyez, P., Meeson, P. J., Vion, D., Esteve, D., Chiarello, F., Shnirman, A., Makhlin, Y., Schriefl, J., & Schön, G. (2005). Decoherence in a superconducting quantum bit circuit. Physical Review B. https://doi.org/10.1103/physrevb.72.134519
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