Non-additivity of quantum capacity for multiparty communication channels
Quantum Physics
2009-11-10 v1
Abstract
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.
Cite
@article{arxiv.quant-ph/0403068,
title = {Non-additivity of quantum capacity for multiparty communication channels},
author = {W. Dür and J. I. Cirac and P. Horodecki},
journal= {arXiv preprint arXiv:quant-ph/0403068},
year = {2009}
}
Comments
4 pages, 1 figure