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Nucleus-mediated spin-flip transitions in GaAs quantum dots
Open accessAbstract
Spin-flip rates in GaAs quantum dots can be quite slow, thus opening up the possibilities to manipulate spin states in the dots. We present here estimations of inelastic spin-flip rates mediated by hyperfine interaction with nuclei. Under general assumptions the nucleus-mediated rate is proportional to the phonon relaxation rate for the corresponding non-spin-flip transitions. The rate can be accelerated in the vicinity of a singlet-triplet excited state crossing. The small proportionality coefficient depends inversely on the number of nuclei in the quantum dot. We compare our results with known mechanisms of spin-flip in GaAs quantum dots.
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Cites
Quantum computation with quantum dots
Loss, D., & DiVincenzo, D. P. (1998) · Physical Review A · doi:10.1103/physreva.57.120 · Cited by 6,840
Cited by
Nuclear spin physics in quantum dots: An optical investigation
Urbaszek, B., Marie, X., Amand, T., Krebs, O., Voisin, P., Maletinsky, P., Högele, A., & Imamoglu, A. (2013) · Reviews of Modern Physics · doi:10.1103/revmodphys.85.79 · Cited by 375
Direct Observation of the Electron Spin Relaxation Induced by Nuclei in Quantum Dots
Braun, P.-F., Marie, X., Lombez, L., Urbaszek, B., Amand, T., Renucci, P., Kalevich, V. K., Kavokin, K. V., Krebs, O., Voisin, P., et al. (2005) · Physical Review Letters · doi:10.1103/physrevlett.94.116601 · Cited by 264
Optically detected coherent spin dynamics of a single electron in a quantum dot
Mikkelsen, M. H., Berezovsky, J., Stoltz, N. G., Coldren, L. A., & Awschalom, D. D. (2007) · Nature Physics · doi:10.1038/nphys736 · Cited by 133
Metadata
- Authors
- Erlingsson, S. I., Nazarov, Y. V., & Fal’ko, V. I.
- Venue
- Physical Review B
- Publisher
- American Physical Society (APS)
- Published
- 2001-10-12
- Volume
- 64
- Issue
- 19
- ISSN
- 0163-1829 (ISSN-L)
- 1095-3795
- OpenAlex
- W2112442497
- Cited by
- 163
- References
- 1
- FWCI
- 6.36
- Type
- journal article
- Language
- en
- Open access
- green
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- Erlingsson, S. I., Nazarov, Y. V., & Fal’ko, V. I. (2001). Nucleus-mediated spin-flip transitions in GaAs quantum dots. Physical Review B. https://doi.org/10.1103/physrevb.64.195306
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