Experimental linear-optics simulation of multipartite non-locality in the ground state of a quantum Ising ring

Adeline Orieux, Joelle Boutari, Marco Barbieri, Mauro Paternostro, Paolo Mataloni

Research output: Contribution to journalArticlepeer-review

6 Citations (Scopus)
284 Downloads (Pure)

Abstract

Critical phenomena involve structural changes in the correlations of its constituents. Such changes can be reproduced and characterized in quantum simulators able to tackle medium-to-large-size systems. We demonstrate these concepts by engineering the ground state of a three-spin Ising ring by using a pair of entangled photons. The effect of a simulated magnetic field, leading to a critical modification of the correlations within the ring, is analysed by studying two- and three-spin entanglement. In particular, we connect the violation of a multipartite Bell inequality with the amount of tripartite entanglement in our ring.
Original languageEnglish
Article number7184
Number of pages6
JournalScientific Reports
Volume4
DOIs
Publication statusPublished - 24 Nov 2014

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