标题： 通过量子网络路由热噪声 显示英文标题

标题： Routing thermal noise through quantum networks

摘要： 目前，人们对于在量子范围内操作器件表现出浓厚的兴趣，因为在该范围内，其行为无法通过经典力学来解释。 量子态，包括纠缠态，非常脆弱，容易受到过多热噪声的干扰。 在这里，我们探讨了一个问题，即是否可以在网络中创建非互易器件，以促进热噪声向或远离特定量子器件的流动。 我们的工作利用级联系统形式化方法对此问题给出了肯定的回答，展示了如何使用三端口器件作为有效的热晶体管，并说明了这种形式化方法如何映射到可实验实现的光机械系统上。 我们的结果为更稳健的量子器件以及将热噪声作为资源的使用铺平了道路。 显示英文摘要

摘要： There is currently significant interest in operating devices in the quantum regime, where their behaviour cannot be explained through classical mechanics. Quantum states, including entangled states, are fragile and easily disturbed by excessive thermal noise. Here we address the question of whether it is possible to create non-reciprocal devices that encourage the flow of thermal noise towards or away from a particular quantum device in a network. Our work makes use of the cascaded systems formalism to answer this question in the affirmative, showing how a three-port device can be used as an effective thermal transistor, and illustrates how this formalism maps onto an experimentally-realisable optomechanical system. Our results pave the way to more resilient quantum devices and to the use of thermal noise as a resource.