Quantifying channels output similarity with applications to quantum control

TitleQuantifying channels output similarity with applications to quantum control
Publication TypeJournal Article
Year of Publication2016
AuthorsPawela Ł, Puchała Z
JournalQuantum Information Processing
Volume15
Start Page1455
Issue4
Abstract

In this work we aim at quantifying quantum channel output similarity. In order to achieve this, we introduce the notion of quantum channel superfidelity, which gives us an upper bound on the quantum channel fidelity. This quantity is expressed in a clear form using the Kraus representation of a quantum channel. As examples, we show potential applications of this quantity in the quantum control field.

URLhttps://doi.org/10.1007/s11128-015-1238-z
DOI10.1007/s11128-015-1238-z