Instant extraction of nonperturbative tripartite entanglement

被引：2

作者：

Avalos, Diana Mendez ^{[1
]}

Gallock-Yoshimura, Kensuke ^{[2
]}

Henderson, Laura J. ^{[2
,3
]}

Mann, Robert B. ^{[2
,4
]}

机构：

[1] Univ Nacl Autonoma Mexico CNyN UNAM, Ctr Nanociencias & Nanotecnol, Km 107 Carretera Tijuana Ensenada, Ensenada 22800, Baja California, Mexico

[2] Univ Waterloo, Dept Phys & Astron, Waterloo, ON N2L 3G1, Canada

[3] Univ Queensland, Ctr Engn Quantum Syst, Sch Math & Phys, St Lucia, Qld 4072, Australia

[4] Univ Waterloo, Inst Quantum Comp, Waterloo, ON N2L 3G1, Canada

来源：

PHYSICAL REVIEW RESEARCH | 2023年 / 5卷 / 04期

基金：

澳大利亚研究理事会; 加拿大自然科学与工程研究理事会;

关键词：

Greenberger-Horne-Zeilinger - No-go theorem - Nonperturbative - Optimal values - Scalar fields - Strong contrast - Target systems - Tripartite entanglement;

D O I：

10.1103/PhysRevResearch.5.L042039

中图分类号：

O4 [物理学];

学科分类号：

0702 ;

摘要：

We consider the problem of extracting tripartite entanglement through single local instantaneous interactions of a separable target system A -B -C with a scalar field. We find, nonperturbatively, that tripartite entanglement is easily extracted in this scenario, in strong contrast to bipartite extraction, which is not possible due to a no-go theorem. Contrary to previous expectations, the tripartite entanglement is of the Greenberger-Horne-Zeilingertype and can be maximized by an optimal value of the coupling.

引用

页数：8

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