混合量子电路中机械探针的电磁感应透明

IF 2.6 3区物理与天体物理 Q2 PHYSICS, MULTIDISCIPLINARY

Physics Letters A Pub Date : 2025-07-01 DOI:10.1016/j.physleta.2025.130786

M.C. de Oliveira , D.Z. Rossatto , O.P. de Sá Neto

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引用次数: 0

摘要

我们研究了一种混合量子电路中的电磁感应透明（EIT），这种混合量子电路由一个阶梯结构的三能级transmon组成，电容耦合到传输线谐振器（TLR）和纳米机电系统（NEMS）。在平均场近似内，我们证明了该系统可以表现出由电磁激励控制的机械探头的窄透明窗口。这种结构可以在transmon中创建一个暗态，并允许其基态和激发态之间的绝热人口转移。我们的发现揭示了一种新的机械和电磁混合模式之间的量子干涉机制，在机械信号的量子控制中具有潜在的应用前景。

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Electromagnetically induced transparency for a mechanical probe in a hybrid quantum circuit

We investigate electromagnetically induced transparency (EIT) in a hybrid quantum circuit composed of a three-level transmon in a ladder configuration, capacitively coupled to both a transmission line resonator (TLR) and a nanoelectromechanical system (NEMS). Within the mean-field approximation, we demonstrate that this system can exhibit a narrow transparency window for a mechanical probe, controlled by an electromagnetic excitation. This configuration enables the creation of a dark state in the transmon and allows for adiabatic population transfer between its ground and excited states. Our findings reveal a new mechanism of quantum interference between hybrid mechanical and electromagnetic modes, with potential applications in quantum control of mechanical signals.

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来源期刊

Physics Letters A 物理-物理：综合

CiteScore

5.10

自引率

3.80%

发文量

493

审稿时长

30 days

期刊介绍： Physics Letters A offers an exciting publication outlet for novel and frontier physics. It encourages the submission of new research on: condensed matter physics, theoretical physics, nonlinear science, statistical physics, mathematical and computational physics, general and cross-disciplinary physics (including foundations), atomic, molecular and cluster physics, plasma and fluid physics, optical physics, biological physics and nanoscience. No articles on High Energy and Nuclear Physics are published in Physics Letters A. The journal''s high standard and wide dissemination ensures a broad readership amongst the physics community. Rapid publication times and flexible length restrictions give Physics Letters A the edge over other journals in the field.