Abstract:We study the effect of the coupling between the hole s shell of one quantum dot and the p shell in the other dot forming a quantum dot molecule on the spin relaxation between the sublevels of the hole s state. Using an effective model that captures the spin-orbit effects in the p shell irrespective of their origin, we show that the strong spin mixing in the p shell can be transferred to the s shell of the other dot, leading to enhanced spin relaxation in a certain energy range around the s-p resonance if the d… Show more
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