Purification via entanglement swapping and conserved entanglement
Quantum Physics
2009-10-31 v2
Abstract
We investigate the purification of entangled states by local actions using a variant of entanglement swapping. We show that there exists a measure of entanglement which is conserved in this type of purification procedure.
Keywords
Cite
@article{arxiv.quant-ph/9812013,
title = {Purification via entanglement swapping and conserved entanglement},
author = {S. Bose and V. Vedral and P. L. Knight},
journal= {arXiv preprint arXiv:quant-ph/9812013},
year = {2009}
}
Comments
4 pages, 2 figures, minor changes, to appear in Phys. Rev. A (tent: July 99)