Functional Bell inequalities can serve as a stronger entanglement witness
Quantum Physics
2016-09-08 v1
Abstract
We consider a Bell inequality for a continuous range of settings of the apparatus at each site. This "functional" Bell inequality gives a better range of violation for generalized GHZ states. Also a family of N-qubit bound entangled states violate this inequality for N>5.
Keywords
Cite
@article{arxiv.quant-ph/0206165,
title = {Functional Bell inequalities can serve as a stronger entanglement witness},
author = {Aditi Sen De and Ujjwal Sen and Marek Zukowski},
journal= {arXiv preprint arXiv:quant-ph/0206165},
year = {2016}
}
Comments
4 pages, REVTeX4