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September 29, 2014Physical Review Letters2,821 citationsOpen Access

Quantifying Coherence

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TBTillmann BaumgratzMCM. CramerMPMartin B. Plenio

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Abstract

We introduce a rigorous framework for the quantification of coherence and identify intuitive and easily computable measures of coherence. We achieve this by adopting the viewpoint of coherence as a physical resource. By determining defining conditions for measures of coherence we identify classes of functionals that satisfy these conditions and other, at first glance natural quantities, that do not qualify as coherence measures. We conclude with an outline of the questions that remain to be answered to complete the theory of coherence as a resource.

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Cite This Study

Baumgratz et al. (2014) studied this question.

synapsesocial.com/papers/69d9a65e8988aeabbe685eabhttps://doi.org/10.1103/physrevlett.113.140401
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