期刊
PHYSICAL REVIEW A
卷 87, 期 1, 页码 -出版社
AMER PHYSICAL SOC
DOI: 10.1103/PhysRevA.87.012122
关键词
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资金
- CONICET
- ANPCyT
- UBACyT
- EU Q-Essence
- Spanish projects [FIS2010-14830]
- ERC Starting Grant PERCENT
We present a method for quantum state tomography that enables the efficient estimation, with fixed precision, of any of the matrix elements of the density matrix of a state, provided that the states from the basis in which the matrix is written can be efficiently prepared in a controlled manner. Furthermore, we show how this algorithm is well suited for quantum process tomography, enabling one to perform selective and efficient quantum process tomography. DOI: 10.1103/PhysRevA.87.012122
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