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- Title
Strong subadditivity lower bound and quantum channels.
- Authors
Mendes, Leandro R. S.; de Oliveira, Marcos C.
- Abstract
We derive the strong subadditivity of the von Neumann entropy with a strict lower bound, dependent on the distribution of quantum correlation in the system. We investigate the structure of states saturating the bounded subadditivity and examine its consequences for the quantum data processing inequality. The quantum data processing achieves a lower bound associated with the locally inaccessible information.
- Subjects
VON Neumann, John, 1903-1957; QUANTUM entropy; QUANTUM correlations; ELECTRONIC data processing
- Publication
Quantum Information Processing, 2022, Vol 21, Issue 2, p1
- ISSN
1570-0755
- Publication type
Article
- DOI
10.1007/s11128-022-03419-7