Distinguishing n Hamiltonians on Cn by a single measurement -: art. no. 022303

被引：2

作者：

Janzing, D ^{[1
]}

Beth, T ^{[1
]}

机构：

[1] Inst Algorithmen & Kognit Syst, D-76131 Karlsruhe, Germany

来源：

PHYSICAL REVIEW A | 2002年 / 65卷 / 02期

关键词：

D O I：

10.1103/PhysRevA.65.022303

中图分类号：

O43 [光学];

学科分类号：

070207 ; 0803 ;

摘要：

If an experimentalist wants to decide which one of n possible Hamiltonians acting on an n-dimensional Hilbert space is present, he can conjugate the time evolution by an appropriate sequence of known unitary transformations in such a way that the different Hamiltonians result in mutual orthogonal final states. We present a general scheme providing an approximation for such a sequence.

引用

页码：1 / 4

页数：4

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