论文标题
语音网络中的二温和绝热动态
Dia- and adiabatic dynamics in a phononic network
论文作者
论文摘要
目前，机械谐振器网络在模型系统的背景下进行了讨论，从而深入了解凝结物理学的问题，包括拓扑阶段的效果。在这里，我们讨论了基于三个高质量因子纳米力学弦谐振器（纳米弦）的网络，该网络由高度拉伸压力的Si $ _ {3} $ n $ _ {4} $制成。字符串通过共享支持强烈耦合，因此可以形成完全机械的经典多层次系统。此外，单个字符串的频率可调节，这使人们可以使用连续的波光谱和时域技术探索其耦合行为。特别是，这种系统可以通过研究其经典类似物来对量子现象（例如Landau-Zener转变动力学）进行实验探索。在这里，我们将先前在两个耦合字符串上执行的工作扩展到三个耦合的谐振器，并讨论串线间动力学的其他特征，例如三模式系统中Landau-Zener Transition Dynamics的经典类似物。三模式系统中Landau-Zener过渡动力学的经典类似物。
Mechanical resonator networks are currently discussed in the context of model systems giving insight into problems of condensed matter physics including effects in topological phases. Here, we discuss networks based on three high-quality factor nanomechanical string resonators (nanostrings) made from highly tensile-stressed Si$_{3}$N$_{4}$. The strings are strongly coupled via a shared support and thus can form a fully mechanical, classical multi-level system. Moreover, the individual strings are tunable in frequency, which allows one to explore their coupling behaviour using continuous wave spectroscopy and time domain techniques. In particular, such systems allow for the experimental exploration of quantum phenomena such as Landau-Zener transition dynamics by studying their classical analogues. Here, we extend the previous work performed on two coupled strings to three coupled resonators and discuss the additional features of the inter-string dynamics, such as the classical analog of Landau-Zener transition dynamics in a three-mode system. classical analog of Landau-Zener transition dynamics in a three-mode system.
