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arxiv: quant-ph/9609012 · v1 · submitted 1996-09-17 · 🪐 quant-ph

Quantum state estimation

Zdenek Hradil , (Department of Optics , Olomouc) This is my paper
classification 🪐 quant-ph
keywords estimationstatequantumalgorithmdatadefinitenessdensityexisting
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New algorithm for quantum state estimation based on the maximum likelihood estimation is proposed. Existing techniques for state reconstruction based on the inversion of measured data are shown to be overestimated since they do not guarantee the positive definiteness of the reconstructed density matrix.

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