Tomography of the two-electron spin qubits in semiconductors

Details Tomography of the two-electron spin qubits in semiconductors Tomography of the two-electron spin qubits in semiconductors

2010-11-09

arxiv.org/abs/1011.1985v3

Physics

Quantum Physics

This paper has been withdrawn by the authors. 8 pages, 5 figures

Scientific paper

We propose an approach to reconstruct two-electron spin qubit states in semiconductor quantum dots by employing tomographic techniques. This procedure exploits the combination of fast gate operations on electron spins trapped in dots and dynamical nuclear polarization of the underlying Ga and As nuclei. The presented method can be an important tool in solid state quantum computation for complete characterization of qubit states and theirs correlations.

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