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Spin relaxation in semiconductor quantum dots
Open accessAbstract
We have studied spin-flip processes in GaAs electron quantum dots that accompany transitions between different discrete energy levels. Several different mechanisms that originate from spin-orbit coupling are shown to be responsible for such processes. We have evaluated the rates for all mechanisms with and without a magnetic field. We have shown that the spin relaxation of the electrons localized in the dots differs strikingly from that of the delocalized electrons. The most effective spin-flip mechanisms related to the absence of the inversion symmetry appear to be strongly suppressed for localized electrons. This results in unusually low spin-flip rates.
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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
Optically programmable electron spin memory using semiconductor quantum dots
Kroutvar, M., Ducommun, Y., Heiss, D., Bichler, M., Schuh, D., Abstreiter, G., & Finley, J. J. (2004) · Nature · doi:10.1038/nature03008 · Cited by 965
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
A solid state source of photon triplets based on quantum dot molecules
Khoshnegar, M., Huber, T., Predojević, A., Dalacu, D., Prilmüller, M., Lapointe, J., Wu, X., Tamarat, P., Lounis, B., Poole, P., et al. (2017) · Nature Communications · doi:10.1038/ncomms15716 · Cited by 52
Metadata
- Authors
- Khaetskii, A. V., & Nazarov, Y. V.
- Venue
- Physical Review B
- Publisher
- American Physical Society (APS)
- Published
- 2000-05-15
- Volume
- 61
- Issue
- 19
- Pages
- 12639-12642
- ISSN
- 0163-1829 (ISSN-L)
- 1095-3795
- OpenAlex
- W2168258625
- Cited by
- 566
- References
- 1
- FWCI
- 15.41
- Type
- journal article
- Language
- en
- Open access
- green
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