In this work the tunneling current through a weakly coupled DQDs in an external B DC is analyzed. We propose a model which includes hyperfine interaction. The time evolution for electronic charge occupations and for the nuclei polarizations in each dot is obtained by means of rate equations which ar
Hyperfine Interactions and Electron Spin-Dynamics in a Quantum Dot
โ Scribed by A. Khaetskii; D. Loss; L. Glazman
- Book ID
- 110433367
- Publisher
- Springer
- Year
- 2003
- Tongue
- English
- Weight
- 68 KB
- Volume
- 16
- Category
- Article
- ISSN
- 0896-1107
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In this chapter we discuss various types of spin interaction in quantum dots. This involves spins from electrons and holes, as well as nuclear spins. The interaction of electrons includes the dipolar interaction of their spins as well as the Coulomb exchange interaction, which is an effective spin-s
## Abstract We report on electron spin physics in a single chargeโtunable selfโassembled InAs/GaAs quantum dot. The hyperfine interaction between the optically oriented electron and nuclear spins leads to the polarization of the quantum dot nuclei. The sign of the resulting Overhauserโshift depends