Editing Coherence (physics) (section)

=== Quantum coherence as a resource ===
Recently [[Martin Bodo Plenio|M. B. Plenio]] and co-workers constructed an operational formulation of quantum coherence as a resource theory. They introduced coherence monotones analogous to the entanglement monotones.<ref>{{cite journal
 |last1=Baumgratz |first1=T.
 |last2=Cramer |first2=M.
 |last3=Plenio |first3=M.B.
 |year=2014
 |journal=Phys. Rev. Lett.
 |volume=113 |issue=14
 |pages=140401
 |title=Quantifying Coherence |doi=10.1103/physrevlett.113.140401
|pmid=25325620
 |arxiv=1311.0275|bibcode=2014PhRvL.113n0401B|s2cid=45904642
 }}</ref> Quantum coherence has been shown to be equivalent to [[quantum entanglement]]<ref>{{cite journal
 |last1=Tan |first1=K.C.
 |last2=Jeong |first2=H.
 |year=2018
 |journal=Phys. Rev. Lett.
 |volume=121 |issue=22
 |pages=220401
 |title=Entanglement as the Symmetric Portion of Correlated Coherence | doi=10.1103/PhysRevLett.121.220401
|pmid=30547638
 |arxiv=1805.10750|bibcode=2018PhRvL.121v0401T
 |s2cid=51690149
 }}</ref> in the sense that coherence can be faithfully described as entanglement, and conversely that each entanglement measure corresponds to a coherence measure.