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Nonclassicality Invariant of General Two-Mode Gaussian States
We introduce a new quantity for describing nonclassicality of an arbitrary optical two-mode Gaussian state which remains invariant under any global photon-number preserving unitary transformation of the covariance matrix of the state. The invariant naturally splits into an entanglement monotone and...
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| Published in: | Sci Rep |
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| Main Authors: | , , , |
| Format: | Artigo |
| Language: | Inglês |
| Published: |
Nature Publishing Group
2016
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| Subjects: | |
| Online Access: | https://ncbi.nlm.nih.gov/pmc/articles/PMC4876421/ https://ncbi.nlm.nih.gov/pubmed/27210547 https://ncbi.nlm.nih.govhttp://dx.doi.org/10.1038/srep26523 |
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