Figure 1 | Scientific Reports

Figure 1

From: Quantum data gathering

Figure 1

Discrimination of MPS.

Our protocol represents an unknown MPS |ψk〉 from a set {|ψ1〉 … |ψK〉} by its purification – a single MPS |Ψ〉 involving a fictitious reference R. The algorithm then successively decorrelates each sample from the rest, storing correlations with the remainder of the lattice in the “apparatus” . Ultimately, all existing information about k (i.e., its correlation with R) is contained in , which can be measured.

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