Scalable Cold-Atom Quantum Simulator for Two-Dimensional QED,Physical Review Letters

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Scalable Cold-Atom Quantum Simulator for Two-Dimensional QED
Physical Review Letters ( IF 8.1 ) Pub Date : 2021-09-24 , DOI: 10.1103/physrevlett.127.130504
R Ott ₁ , T V Zache _{1,

2,

3} , F Jendrzejewski ₄ , J Berges ₁

Affiliation

We propose a scalable analog quantum simulator for quantum electrodynamics in two spatial dimensions. The setup for the U(1) lattice gauge field theory employs interspecies spin-changing collisions in an ultracold atomic mixture trapped in an optical lattice. We engineer spatial plaquette terms for magnetic fields, thus solving a major obstacle toward experimental realizations of realistic gauge theories in higher dimensions. We apply our approach to the pure gauge theory of compact QED and discuss how the phenomenon of confinement of electric charges can be described by the quantum simulator.

中文翻译：

用于二维 QED 的可扩展冷原子量子模拟器

我们提出了一种可扩展的模拟量子模拟器，用于二维空间维度的量子电动力学。U(1) 晶格规范场理论的设置在光学晶格中捕获的超冷原子混合物中采用了种间自旋变化碰撞。我们设计了磁场的空间板块术语，从而解决了在更高维度上实现现实规范理论的主要障碍。我们将我们的方法应用于紧凑 QED 的纯规范理论，并讨论如何通过量子模拟器描述电荷限制现象。

更新日期：2021-09-24

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