Unified approach to quantum capacities: towards quantum noisy coding theorem
量子物理
2009-11-06 v1
摘要
Basing on unified approach to {\it all} kinds of quantum capacities we show that the rate of quantum information transmission is bounded by the maximal attainable rate of coherent information. Moreover, we show that, if for any bipartite state the one-way distillable entanglement is no less than coherent information, then one obtains Shannon-like formulas for all the capacities. The inequality also implies that the decrease of distillable entanglement due to mixing process does not exceed of corresponding loss information about a system.
引用
@article{arxiv.quant-ph/0003040,
title = {Unified approach to quantum capacities: towards quantum noisy coding theorem},
author = {Michal Horodecki and Pawel Horodecki and Ryszard Horodecki},
journal= {arXiv preprint arXiv:quant-ph/0003040},
year = {2009}
}
备注
4 pages, Revtex