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.

引用

页数：9

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