Repeatable quantum memory channels
Quantum Physics
2008-12-10 v1
Abstract
Within the framework of quantum memory channels we introduce the notion of repeatability of quantum channels. In particular, a quantum channel is called repeatable if there exist a memory device implementing the same channel on each individual input. We show that random unitary channels can be implemented in a repeatable fashion, whereas the nonunital channels cannot.
Cite
@article{arxiv.0808.3851,
title = {Repeatable quantum memory channels},
author = {Tomas Rybar and Mário Ziman},
journal= {arXiv preprint arXiv:0808.3851},
year = {2008}
}
Comments
5 pages, 3 figures