Develops a Fano-Procrustes geometric framework reducing purification optimization for qubit states to an orthogonal Procrustes problem on SO(3) and introduces a misalignment angle Θ for analyzing quantum channels.
Kraus,States, Effects, and Operations: Fundamen- tal Notions of Quantum Theory(Springer-Verlag, Berlin, Heidelberg, 1983)
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A geometric Fano--Procrustes framework for purification-based distances and quantum channels analysis
Develops a Fano-Procrustes geometric framework reducing purification optimization for qubit states to an orthogonal Procrustes problem on SO(3) and introduces a misalignment angle Θ for analyzing quantum channels.