Regularized maximal fidelity of the generalized Pauli channels
Quantum Physics
2019-01-30 v1 Mathematical Physics
math.MP
Abstract
We consider the asymptotic regularization of the maximal fidelity for the generalized Pauli channels, which is a problem similar to the classical channel capacity. In particular, we find the formulas for the extremal channel fidelities and the maximal output -norm. For wide classes of channels, we show that these quantities are multiplicative. Finally, we find the regularized maximal fidelity for the channels satisfying the time-local master eqeuations.
Keywords
Cite
@article{arxiv.1810.05160,
title = {Regularized maximal fidelity of the generalized Pauli channels},
author = {Katarzyna Siudzińska},
journal= {arXiv preprint arXiv:1810.05160},
year = {2019}
}