A lower bound on the probability of error in quantum state discrimination
Quantum Physics
2016-11-15 v3
Abstract
We give a lower bound on the probability of error in quantum state discrimination. The bound is a weighted sum of the pairwise fidelities of the states to be distinguished.
Cite
@article{arxiv.0711.2012,
title = {A lower bound on the probability of error in quantum state discrimination},
author = {Ashley Montanaro},
journal= {arXiv preprint arXiv:0711.2012},
year = {2016}
}
Comments
4 pages; v2 fixes typos and adds remarks; v3 adds a new reference