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quant-ph2018★ 25 cited
Coherence measure: Logarithmic coherence number
Zhengjun Xi, Shanshan Yuwen
We introduce a measure of coherence, which is extended from the coherence rank via the standard convex roof construction, we call it the logarithmic coherence number. This approach…
quant-ph2018★ 16 cited
Epsilon-smooth measure of coherence
Zhengjun Xi, Shanshan Yuwen
In this paper, by minimizing the coherence quantifiers over all states in an ball around a given state, we define a generalized smooth quantifier, called the -smooth measure…