Distillability of Werner states using entanglement witnesses and robust semidefinite programs,

· 2006 · Physical Review A · DOI 10.1103/physreva.74.052306

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quant-ph · 2026-07-27 · accept · novelty 7.0

Werner states ρ(d,α) are two-copy undistillable exactly when α≥−1/2, so ρ(4,−1/2) is not two-copy distillable.

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On the two-copy distillability of Werner states and a new partial trace inequality quant-ph · 2026-07-27 · accept · none · ref 6
Werner states ρ(d,α) are two-copy undistillable exactly when α≥−1/2, so ρ(4,−1/2) is not two-copy distillable.