A review on super dense coding over covariant noisy channels
Zahra Shadman, Hermann Kampermann, Chiara Macchiavello, Dagmar Bruss
TL;DR
This paper reviews the performance of super dense coding over covariant noisy quantum channels, analyzing bipartite and multipartite scenarios with various encoding strategies.
Contribution
It provides a unified review of super dense coding performance over covariant noise, including bipartite and multipartite cases with different encoding methods.
Findings
Performance depends on the type of covariant noise
Multipartite scenarios show different capacity behaviors
Unitary and non-unitary encoding strategies are compared
Abstract
We study the performance of the super dense coding protocol in the presence of quantum channels with covariant noise. We first consider the bipartite case and review in a unified way the case of general Pauli channels. We discuss both the cases of unitary and non-unitary encoding. We also study the multipartite scenario and investigate the case of many senders and one receiver.
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Taxonomy
TopicsCooperative Communication and Network Coding · Wireless Communication Security Techniques · Error Correcting Code Techniques