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.
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页数：8
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