Estimating mixed quantum states

Details Estimating mixed quantum states Estimating mixed quantum states

2000-05-22

arxiv.org/abs/quant-ph/0005090v2

Phys. Lett. A 273, 293 (2000)

Physics

Quantum Physics

RevTeX, 7 pages, 4 figures

Scientific paper

10.1016/S0375-9601(00)00513-2

We discuss single adaptive measurements for the estimation of mixed quantum
states of qubits. The results are compared to the optimal estimation schemes
using collective measurements. We also demonstrate that the advantage of
collective measurements increases when the degree of mixing of the quantum
states increases.

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