Relaxation, dephasing, and quantum control of electron spins in double quantum dots
β Scribed by Taylor, J. M.; Petta, J. R.; Johnson, A. C.; Yacoby, A.; Marcus, C. M.; Lukin, M. D.
- Book ID
- 120191494
- Publisher
- The American Physical Society
- Year
- 2007
- Tongue
- English
- Weight
- 585 KB
- Volume
- 76
- Category
- Article
- ISSN
- 1098-0121
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We analyze the charge and spin dynamics in a double quantum dot driven by crossed DC and AC magnetic fields. The AC field produces coherent electron spin rotations within each quantum dot. In a double quantum dot, these oscillations compete with coherent inter-dot tunneling, giving rise to a complic
Electron energy relaxation in the asymmetric double quantum dot system is calculated numerically, using the material parameters of GaAs. The double dot, sharing a single electron, consists of two tunneling coupled quantum dots each having a single nondegenerate electronic orbital. The intra-dot mult