论文标题
通过耦合宏观吊长的可视化波力力学：驱动量子位的经典类似物
Visualized Wave Mechanics by Coupled Macroscopic Pendula: Classical Analogue to Driven Quantum Bits
论文作者
论文摘要
量子力学越来越多地穿透现代技术，但由于其非确定性似乎与我们的古典日常世界相矛盾，我们的理解通常难以捉摸。沿着对应原则的争论，经典力学通常被视为量子相干性完全平均的大系统的理论。令人惊讶的是，仍然可以使用经典模型系统重建量子位（QUBIT）的相干动力学。这种经典的量词类似物基于波浪力学，该波浪机器适用于古典世界和量子世界。本着这种精神，我们通过调制耦合来研究宏观物理摆的动力学。作为原则的证明，我们通过意识到拉比振荡，Landau-Zener过渡和Landau-Zener-Stückelberg-Majorana干涉法，证明了我们对Qubit的一对一类似物的完全控制。我们的经典量子示威者可以帮助理解和开发有用的量子技术。
Quantum mechanics increasingly penetrates modern technologies but, due to its non-deterministic nature seemingly contradicting our classical everyday world, our comprehension often stays elusive. Arguing along the correspondence principle, classical mechanics is often seen as a theory for large systems where quantum coherence is completely averaged out. Surprisingly, it is still possible to reconstruct the coherent dynamics of a quantum bit (qubit) by using a classical model system. This classical-to-quantum analogue is based on wave mechanics, which applies to both, the classical and the quantum world. In this spirit we investigate the dynamics of macroscopic physical pendula with a modulated coupling. As a proof of principle, we demonstrate full control of our one-to-one analogue to a qubit by realizing Rabi oscillations, Landau-Zener transitions and Landau-Zener-Stückelberg-Majorana interferometry. Our classical qubit demonstrator can help comprehending and developing useful quantum technologies.
