Scheme for preparation of multi-partite entanglement of atomic ensembles

doi:10.1088/1674-1056/25/8/080305

Abstract We show a scheme of preparing multipartite W type of maximally entangled states among many atomic ensembles with the generation time increasing with the party number only polynomially. The scheme is based on laser manipulation of atomic ensembles and single-photon detection, and fits well the status of the current experimental technology. We also show one of the applications of this kind of W state, demonstrating Bell theorem without inequalities.

Keywords: multi-partite entanglement atomic ensembles

Received: 12 November 2015
Revised: 09 April 2016
Accepted manuscript online:

PACS:	03.67.-a	(Quantum information)
	03.65.Ud	(Entanglement and quantum nonlocality)
	42.50.Gy	(Effects of atomic coherence on propagation, absorption, and Amplification of light; electromagnetically induced transparency and Absorption)

Fund: Project supported by the National Natural Science Foundation of China (Grant Nos. 11174052 and 11474049) and the China Advanced Science and Technology Innovation Fund.

Corresponding Authors: Peng Xue
E-mail: gnep.eux@gmail.com

Cite this article:

Peng Xue(薛鹏), Zhi-Hao Bian(边志浩) Scheme for preparation of multi-partite entanglement of atomic ensembles 2016 Chin. Phys. B 25 080305

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