Mermin's pentagram and Bell's theorem
Abstract
Description
It is shown how a proof of the Bell-Kochen-Specker (BKS) theorem given by Kernaghan and Peres can be experimentally realized using a scheme of measurements derived from a related proof of the same theorem by Mermin. It is also pointed out that if this BKS experiment is carried out independently by two distant observers who repeatedly make measurements on a specially correlated state of six qubits, it provides an inequality-free demonstration of Bell's theorem as well.
Fig.1 of the old version has been replaced by a new figure giving a more realistic rendition of a pentagram
Fig.1 of the old version has been replaced by a new figure giving a more realistic rendition of a pentagram