Physical Review Letters· 2014Q1
Quantifying Coherence
- 2,757citations
- Q1SCImago
- 2014year
Short summary
Researchers developed a rigorous framework to quantify coherence, identifying computable measures by treating coherence as a physical resource.
AI-generated from the title and abstract; the full text is not read.
Key points
- Introduced a rigorous framework for quantifying coherence.
- Identified intuitive and easily computable measures of coherence.
- Adopted the viewpoint of coherence as a physical resource.
- Determined defining conditions for measures of coherence.
- Identified classes of functionals satisfying these conditions.
AI-generated from the title and abstract; the full text is not read.
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.
The authors' abstract, as published at the source. Physical Review Letters, 2014 · DOI ↗
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Field: Atomic and Molecular Physics, and Optics
Atomic and Molecular Physics, and OpticsPhysics and Astronomy