QUANTUM-STATE SPACE METRIC AND CORRELATIONS

被引：23
|
作者：
ABE, S
机构：
[1] Institute for Theoretical Physics III, University of Erlangen-Nürnberg, W-8520 Erlangen
来源：
PHYSICAL REVIEW A | 1992年 / 46卷 / 03期
关键词：
D O I：
10.1103/PhysRevA.46.1667
中图分类号：
O43 [光学];
学科分类号：
070207 ; 0803 ;
摘要：
We study the Fubini-Study metric induced on the quantum evolution submanifold of the projective Hilbert space associated with the evolutions generated by a set of independent operators. It is shown that if the operators are Hermitian, then the off-diagonal components of the metric describe the correlations between them. Thus, not only the uncertainty but also the correlation acquires its geometrical interpretation. We also demonstrate this by using a squeezed state.
引用
收藏
页码：1667 / 1668
页数：2
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