Tuning Excitation Transport in a Dissipative Rydberg Ring

IF 3.5 2区 物理与天体物理 Q1 PHYSICS, MULTIDISCIPLINARY Chinese Physics Letters Pub Date : 2024-03-01 DOI:10.1088/0256-307x/41/3/033201
Yiwen Han, Wei Yi
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Abstract

We demonstrate the flexible tunability of excitation transport in Rydberg atoms, under the interplay of controlled dissipation and interaction-induced synthetic flux. Considering a minimum four-site setup, i.e., a triangular configuration with an additional output site, we study the transport of a single excitation, injected into a vertex of the triangle, through the structure. While the long-range dipole-dipole interactions between the Rydberg atoms lead to geometry-dependent Peierls phases in the hopping amplitudes of excitations, we further introduce on-site dissipation to a vertex of the triangle. As a result, both the chirality and destination of the transport can be manipulated through the flux and dissipation. In particular, we illustrate a parameter regime where our Rydberg-ring structure may serve as a switch for transporting the injected excitation through to the output site. The underlying mechanism is then analyzed by studying the chiral trajectory of the excitation and the time-dependent dissipation. The switchable excitation transport reported here offers a flexible tool for quantum control in Rydberg atoms, and holds interesting potentials for applications in quantum simulation and quantum information.
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调谐耗散型雷德贝格环的激发传输
我们展示了在受控耗散和相互作用诱导的合成通量相互作用下,雷德贝格原子中激发传输的灵活可调性。我们研究了注入三角形顶点的单一激发在该结构中的传输。虽然雷德贝格原子之间的长程偶极-偶极相互作用会导致激发的跳跃振幅出现与几何相关的佩尔相,但我们进一步向三角形的一个顶点引入了现场耗散。因此,传输的手性和目的地都可以通过通量和耗散来操纵。我们特别说明了一种参数机制,在这种机制下,我们的雷德贝格环结构可以作为开关,将注入的激发传输到输出点。然后,我们通过研究激发的手性轨迹和随时间变化的耗散来分析其基本机制。本文报告的可切换激发传输为雷德贝格原子的量子控制提供了一个灵活的工具,并为量子模拟和量子信息的应用提供了有趣的潜力。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
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来源期刊
Chinese Physics Letters
Chinese Physics Letters 物理-物理:综合
CiteScore
5.90
自引率
8.60%
发文量
13238
审稿时长
4 months
期刊介绍: Chinese Physics Letters provides rapid publication of short reports and important research in all fields of physics and is published by the Chinese Physical Society and hosted online by IOP Publishing.
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