Optimal discrimination of single-qubit mixed states
Quantum Physics
2017-09-25 v2
Abstract
We consider the problem of minimum-error quantum state discrimination for single-qubit mixed states. We present a method which uses the Helstrom conditions constructively and analytically; this algebraic approach is complementary to existing geometric methods, and solves the problem for any number of arbitrary signal states with arbitrary prior probabilities.
Cite
@article{arxiv.1704.01035,
title = {Optimal discrimination of single-qubit mixed states},
author = {Graeme Weir and Stephen M. Barnett and Sarah Croke},
journal= {arXiv preprint arXiv:1704.01035},
year = {2017}
}
Comments
8 pages, 1 figure