Comment on "Quantifying quantum coherence with quantum Fisher information"

Hyukjoon Kwon; Hyunseok Jeong; Kok Chuan Tan; Seongjeon Choi

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arxiv 1711.10110 v1 pith:PBCLSCFO submitted 2017-11-28 quant-ph

Comment on "Quantifying quantum coherence with quantum Fisher information"

Hyukjoon Kwon , Kok Chuan Tan , Seongjeon Choi , Hyunseok Jeong This is my paper

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We show that contrary to the claim in Sci. Rep. 7, 15492 (2017), the quantum Fisher information itself is not a valid coherence measure based on the resource theory of coherence because it can increase via an incoherent operation.

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