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quant-ph2012★ 11 cited
Effect of nonnegativity on estimation errors in one-qubit state tomography with finite data
Takanori Sugiyama, Peter S. Turner, Mio Murao
We analyze the behavior of estimation errors evaluated by two loss functions, the Hilbert-Schmidt distance and infidelity, in one-qubit state tomography with finite data. We show n…
quant-ph2012★ 32 cited
Adaptive experimental design for one-qubit state estimation with finite data based on a statistical update criterion
Takanori Sugiyama, Peter S. Turner, Mio Murao
We consider 1-qubit mixed quantum state estimation by adaptively updating measurements according to previously obtained outcomes and measurement settings. Updates are determined by…