Physics – Quantum Physics
Scientific paper
1999-10-09
Physics
Quantum Physics
1 figure
Scientific paper
10.1103/PhysRevA.61.042303
The problem of the experimental determination of the amount of entanglement of a bipartite pure state is addressed. We show that measuring a single observable does not suffice to determine the entanglement of a given unknown pure state of two particles. Possible minimal local measuring strategies are discussed and a comparison is made on the basis of their best achievable precision.
Huelga Susana F.
Sancho J. M. G.
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