Manuscript Oai272-A@1 · Oai272-A.tex · section · a40828a0

A specified entanglement-witness experiment

Finite-sample certification and its limitations › A specified entanglement-witness experiment · lines 1661–1677

Assume $0 < ϵ \leq 1$ and let $W$ be as above. Its spectrum is contained in $[- ϵ, 1 - ϵ]$ , with zero on the unused corner complement. Thus

H = W + ϵ I

is an effect. Every normalized separable state obeys

Tr (H σ) \geq ϵ,

whereas the target normalized Choi state obeys

Tr [H j (Θ^{2})] = ϵ - g .

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