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Purity-Based Continuity Bounds for von Neumann Entropy

We propose continuity bounds for the von Neumann entropy of qubits whose difference in purity is bounded. Considering the purity difference of two qubits to capture the notion of distance between them results into bounds which are demonstrably tighter than the trace distance-based existing continuit...

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Dades bibliogràfiques
Publicat a:Sci Rep
Autors principals: ur Rehman, Junaid, Shin, Hyundong
Format: Artigo
Idioma:Inglês
Publicat: Nature Publishing Group UK 2019
Matèries:
Accés en línia:https://ncbi.nlm.nih.gov/pmc/articles/PMC6763486/
https://ncbi.nlm.nih.gov/pubmed/31558751
https://ncbi.nlm.nih.govhttp://dx.doi.org/10.1038/s41598-019-50309-7
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