Coherent control of two nuclear spins using the anisotropic hyperfine interaction

Details Coherent control of two nuclear spins using the anisotropic hyperfine interaction Coherent control of two nuclear spins using the anisotropic hyperfine interaction

2011-07-14

arxiv.org/abs/1107.2884v2

Physics

Quantum Physics

5 pages, 3 figures (main text) + 3 pages, 2 figures (supplementary material)

Scientific paper

We demonstrate coherent control of two nuclear spins mediated by the magnetic resonance of a hyperfine-coupled electron spin. This control is used to create a double nuclear coherence in one of the two electron spin manifolds, starting from an initial thermal state, in direct analogy to the creation of an entangled (Bell) state from an initially pure unentangled state. We identify challenges and potential solutions to obtaining experimental gate fidelities useful for quantum information processing in this type of system.

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