Recently, Yeo and Chua introduced a genuine four-qubit entangled state jvi which can implement perfect teleportation of an arbitrary two-qubit state [Y. Yeo, W.K. Chua, Phys. Rev. Lett. 96 (2006) 060502]. It has been shown that the state jvi is inequivalent to the well-known Greenberger-Horne-Zeilin
Discrimination strategies for inequivalent classes of multipartite entangled states
✍ Scribed by Niekamp, Sönke; Kleinmann, Matthias; Gühne, Otfried
- Book ID
- 111650867
- Publisher
- The American Physical Society
- Year
- 2010
- Tongue
- English
- Weight
- 264 KB
- Volume
- 82
- Category
- Article
- ISSN
- 1050-2947
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📜 SIMILAR VOLUMES
We derive the general discrimination of quantum states chosen from a certain set, given an initial M copies of each state, and obtain the matrix inequality which describes the bound between the maximum probability of correctly determining and that of error. The former works are special cases of our
## Abstract We consider a quantum system that is prepared, with a given a priori probability, in a pure state that belongs to a known set of __N__ nonorthogonal quantum states. We study a minimum‐error measurement for assigning the state of the system to one or the other of two complementary subset