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Article Dans Une Revue Physical Review Letters Année : 2009

Hole-Nuclear Spin Interaction in Quantum Dots

Résumé

We have measured the carrier spin dynamics in p-doped InAs/GaAs quantum dots by pump-probe and time-resolved photoluminescence experiments. We obtained experimental evidence of the hyperfine interaction between hole and nuclear spins. In the absence of an external magnetic field, our calculations based on dipole-dipole coupling between the hole and the quantum dot nuclei lead to a hole-spin dephasing time for an ensemble of dots of 14 ns, in close agreement with experiments.
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Dates et versions

hal-01229240 , version 1 (14-05-2019)

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Benoît Eble, Christophe Testelin, Pascal Desfonds, Frédéric Bernardot, Andrea Balocchi, et al.. Hole-Nuclear Spin Interaction in Quantum Dots. Physical Review Letters, 2009, 102 (14), ⟨10.1103/PhysRevLett.102.146601⟩. ⟨hal-01229240⟩
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