Concurrence via entanglement witnesses
Quantum Physics
2009-11-13 v2
Abstract
We derive an experimentally observable lower bound on concurrence of mixed quantum states in terms of an entanglement witness, relating measurements on single states with those on two copies.
Cite
@article{arxiv.quant-ph/0609024,
title = {Concurrence via entanglement witnesses},
author = {Florian Mintert},
journal= {arXiv preprint arXiv:quant-ph/0609024},
year = {2009}
}