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Quantum dots

Reading the signs

Spin coherence of valence holes in semiconductor quantum-dots is governed by interactions with the nuclear spins of the dot lattice. Experiments and theory have revealed an important new ingredient that determines the strength and sign of this coupling.

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Figure 1: Probing spin.


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Correspondence to Bernhard Urbaszek.

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Urbaszek, B. Reading the signs. Nature Phys 9, 65–66 (2013).

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