Abstract
We show that the minimum von Neumann entropy output of a quantum channel is locally additive. Hastings' counterexample for the additivity conjecture makes this result quite surprising. In particular, it indicates that the nonadditivity of the minimum entropy output is a global effect of quantum channels.
Original language | English |
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Article number | 6268344 |
Pages (from-to) | 603-614 |
Number of pages | 12 |
Journal | IEEE Transactions on Information Theory |
Volume | 59 |
Issue number | 1 |
DOIs | |
State | Published - 2013 |
Externally published | Yes |
Keywords
- Additivity conjecture
- quantum channel capacity
- quantum channels
- quantum entanglement
All Science Journal Classification (ASJC) codes
- Information Systems
- Computer Science Applications
- Library and Information Sciences