开关和放大三体Casimir效应
Switching and amplifying three-body Casimir effects
摘要：
三个相互作用物体的动力学在牛顿引力物理学中已经得到了广泛的研究（通常称为三体问题），并且对许多量子系统都很重要，包括原子核，Efimov态和受挫自旋系统。然而，三个宏观物体通过量子真空涨落（虚光子）相互作用的动力学仍然是一个未探索的前沿。在这里，我们报告的卡西米尔相互作用的三个孤立的宏观对象之间的第一次观察。我们提出并展示了一个三端可切换架构，利用光机械Casimir相互作用，可以奠定基础的Casimir晶体管。除了两个不同几何形状的物体之间的Casimir力的范例之外，我们的Casimir晶体管代表了控制三体虚拟光子相互作用的重要发展，并将在Casimir效应的传感和信息处理中具有潜在的应用。
英文摘要：
The dynamics of three interacting objects has been investigated extensively in Newtonian gravitational physics (often termed the three-body problem), and is important for many quantum systems, including nuclei, Efimov states, and frustrated spin systems. However, the dynamics of three macroscopic objects interacting through quantum vacuum fluctuations (virtual photons) is still an unexplored frontier. Here, we report the first observation of Casimir interactions between three isolated macroscopic objects. We propose and demonstrate a three terminal switchable architecture exploiting opto-mechanical Casimir interactions that can lay the foundations of a Casimir transistor. Beyond the paradigm of Casimir forces between two objects in different geometries, our Casimir transistor represents an important development for control of three-body virtual photon interactions and will have potential applications in sensing and information processing with the Casimir effect.
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