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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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Detalhes bibliográficos
Publicado no:Sci Rep
Main Authors: ur Rehman, Junaid, Shin, Hyundong
Formato: Artigo
Idioma:Inglês
Publicado em: Nature Publishing Group UK 2019
Assuntos:
Acesso em linha: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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