Quantifying quantum coherence based on the generalized α-z-relative Rényi entropy

Xue-Na Zhu, Zhi-Xiang Jin, and Shao-Ming Fei

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Submission date: 30. Jul. 2019
Pages: 11
published in: Quantum information processing, 18 (2019) 6, art-no. 179 
DOI number (of the published article): 10.1007/s11128-019-2291-9
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Abstract:
We present a family of coherence quantifiers based on the generalized α-z-relative Rényi entropy. These quantifiers satisfy all the standard criteria for well-defined measures of coherence, and include some existing coherence measures as special cases.