Journal
ANNALS OF PHYSICS
Volume 359, Issue -, Pages 136-140Publisher
ACADEMIC PRESS INC ELSEVIER SCIENCE
DOI: 10.1016/j.aop.2015.04.023
Keywords
Coherence measure; Wigner-Yanase skew information
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Funding
- China Scholarship Council [201306315004, 201306315009]
- Natural Science Foundation of China [11001230]
- Natural Science Foundation of Fujian [2013J01022, 2014J01024]
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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. (C) 2015 Elsevier Inc. All rights reserved.
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