A genuine four-partite entangled state

TL;DR

This paper demonstrates that a recently proposed four-partite entangled state is locally equivalent to certain graph states, revealing its entanglement properties and potential applications.

Contribution

It establishes the local equivalence between a known four-partite entangled state and graph states, enhancing understanding of its entanglement structure.

Findings

The state is locally equivalent to specific graph states.

It exhibits interesting entanglement properties.

The equivalence aids in analyzing quantum information applications.

Abstract

In a recent paper, a genuine four-partite entangled state is proposed [Y. Yeo and W. K. Chua, Phys. Rev. Lett. 96, 060502 (2006)], which has been found to have many interesting entanglement properties. We show this state is locally equivalent to some graph states.