Bi-orthogonal mutually unbiased bases for N-qubit systems

被引：0

作者：

Diaz, Juan J. ^{[1
]}

Sainz, Isabel ^{[1
]}

Klimov, Andrei B. ^{[1
,2
]}

机构：

[1] Univ Guadalajara, Dept Fis, Revoluc 1500, Guadalajara 44420, Jalisco, Mexico

[2] Univ Concepcion, Dept Fis, Ctr Quantum Opt & Quantum Informat, Ctr Opt & Photon, Casilla 160C, Concepcion, Chile

来源：

JOURNAL OF PHYSICS A-MATHEMATICAL AND THEORETICAL | 2017年 / 50卷 / 08期

关键词：

quantum tomography; non orthogonal bases; mutually unbiased bases; STATE; ENTANGLEMENT;

D O I：

10.1088/1751-8121/aa532c

中图分类号：

O4 [物理学];

学科分类号：

0702 ;

摘要：

We have developed a general method for constructing a set of non-orthogonal bases with equal separations between all different basis' states for N-qubit systems. Using these bases we derive an explicit expression for the optimal tomography in non-orthogonal bases and discuss the amount of nonclassical resources required for the bases preparation and the precision of the reconstructed state. The special two-qubit case is analysed separately.

引用

页数：13

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