Nonequilibrium spin noise in a quantum dot ensemble
arXiv:1703.09510 · doi:10.1103/PhysRevB.95.241408
Abstract
The spin noise in singly charged self-assembled quantum dots is studied theoretically and experimentally under the influence of a perturbation, provided by additional photoexcited charge carriers. The theoretical description takes into account generation and relaxation of charge carriers in the quantum dot system. The spin noise is measured under application of above barrier excitation for which the data are well reproduced by the developed model. Our analysis demonstrates a strong difference of the recharging dynamics for holes and electrons in quantum dots.
6 pages, 3 figures
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