Distance-based approach to quantum coherence and nonclassicality

被引：2
|
作者：
Ares, Laura [1 ]
Luis, Alfredo [1 ]
机构：
[1] Univ Complutense, Fac Ciencias Fis, Dept Opt, Madrid 28040, Spain
来源：
PHYSICAL REVIEW A | 2022年 / 106卷 / 01期
关键词：
RADIOMETRIC DEFINITIONS; STATES; ENTANGLEMENT;
D O I：
10.1103/PhysRevA.106.012415
中图分类号：
O43 [光学];
学科分类号：
070207 ; 0803 ;
摘要：
We provide a coherence-based approach to nonclassical behavior by means of distance measures. We develop a quantitative relation between coherence and nonclassicality quantifiers, which establish the nonclassicality as the maximum quantum-coherence achievable. We compute the coherence of several representative examples and discuss whether the theory may be extended to reference observables with continuous spectra.
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收藏
页数：9
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