Qubit State Discrimination
Quantum Physics
2010-06-28 v2
Abstract
We show how one can solve the problem of discriminating between qubit states. We use the quantum state discrimination duality theorem and the Bloch sphere representation of qubits which allows for an easy geometric and analytical representation of the optimal guessing strategies.
Cite
@article{arxiv.1002.4388,
title = {Qubit State Discrimination},
author = {M. E. Deconinck and B. M. Terhal},
journal= {arXiv preprint arXiv:1002.4388},
year = {2010}
}
Comments
6 pages, 4 figures. v2 has small corrections and changes in references