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Helstrom-Holevo bound

Equiprobable pure states of overlap magnitude

c

have optimal discrimination probability

\frac{1}{2} (1 + 1 - c^{2})

.

Table of contents 66 3
- Helstrom measurement for two pure states Helstrom-Holevo bound 35 1
  - Helstrom measurement for the zero and plus states Helstrom measurement for two pure states 19
- Perfect distinguishability of pure states Helstrom-Holevo bound 18

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