Optimality of minimum-error discrimination by the no-signaling condition
In this work we relate the well-known no-go theorem that two nonorthogonal (mixed) quantum states cannot be perfectly discriminated, to the general principle in physics, the no-signaling condition. In fact, the minimum error in discrimination between two quantum states is derived from the no-signaling condition.
- Publisher
- AMER PHYSICAL SOC
- Issue Date
- 2008-08
- Language
- English
- Article Type
- Article
- Keywords
QUANTUM; CLONING
- Citation
PHYSICAL REVIEW A, v.78
- ISSN
- 1050-2947
- Appears in Collection
- EE-Journal Papers(저널논문)
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