Average coherence with respect to complementary measurements

We investigate the average coherence with respect to a complete set of complementary measurements. By using a Wigner-Yanase skew information-based coherence measure introduced in Luo and Sun (2017 Phys. Rev. A 96, 022130), we evaluate the average coherence of a state with respect to any complete set...

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Published in:Communications in theoretical physics 2021-01, Vol.73 (1), p.15103
Main Authors: Chen, Bin, Fei, Shao-Ming
Format: Article
Language:English
Subjects:
average coherence
general symmetric informationally complete measurements
mutually unbiased measurements
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description We investigate the average coherence with respect to a complete set of complementary measurements. By using a Wigner-Yanase skew information-based coherence measure introduced in Luo and Sun (2017 Phys. Rev. A 96, 022130), we evaluate the average coherence of a state with respect to any complete set of mutually unbiased measurements and general symmetric informationally complete measurements, respectively. We also establish analytically the relations among these average coherences.
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subjects average coherence
general symmetric informationally complete measurements
mutually unbiased measurements
title Average coherence with respect to complementary measurements
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