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The Wigner–Yanase information can increase under phase sensitive incoherent operations.

Authors :
Du, Shuanping
Bai, Zhaofang
Source :
Annals of Physics. Aug2015, Vol. 359, p136-140. 5p.
Publication Year :
2015

Abstract

We found that the Wigner-Yanase skew information, which has been recently proposed as a measure of coherence in Girolami (2014), can increase under a class of operations which may be interpreted as incoherent following the framework of Baumgratz et al., while being phase sensitive. [ABSTRACT FROM AUTHOR]

Details

Language :
English
ISSN :
00034916
Volume :
359
Database :
Academic Search Index
Journal :
Annals of Physics
Publication Type :
Academic Journal
Accession number :
103158619
Full Text :
https://doi.org/10.1016/j.aop.2015.04.023