Non-additivity of quantum capacity for multiparty communication channels

Details Non-additivity of quantum capacity for multiparty communication channels Non-additivity of quantum capacity for multiparty communication channels

2004-03-09

arxiv.org/abs/quant-ph/0403068v1

Phys. Rev. Lett. 93, 020503 (2004)

Physics

Quantum Physics

4 pages, 1 figure

Scientific paper

10.1103/PhysRevLett.93.020503

We investigate multiparty communication scenarios where information is sent
from several sender to several receivers. We establish a relation between the
quantum capacity of multiparty communication channels and their distillability
properties which enables us to show that the quantum capacity of such channels
is not additive.

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