基于超材料的Kitaev链类似物中相位可控类Majorana束缚态的观测
Observation of Phase Controllable Majorana-like Bound States in Metamaterial-based Kitaev Chain Analogues
摘要：
我们的实验表明，马约拉纳类束缚态（MLBS）可以发生在准一维的超材料，类似于马约拉纳零模式（MZM）的Kitaev链。在一个机械自旋梯系统中，我们观察到一个拓扑相变和光谱带隙保护的边缘MLBS。我们的特点这些MLBS对和它们的相位依赖杂交的衰减和振荡性质。结果表明，杂交可以调整，以产生类似的奇偶校验开关的MZM，拓扑量子比特的一个关键因素。我们发现与理论的强协议。
英文摘要：
We experimentally demonstrate that Majorana-like bound states (MLBSs) can occur in quasi-one-dimensional metamaterials, analogous to Majorana zero modes (MZM) in the Kitaev chain. In a mechanical spinner ladder system, we observe a topological phase transition and spectral-gap-protected edge MLBSs. We characterize the decaying and oscillatory nature of these MLBS pairs and their phase-dependent hybridization. It is shown that the hybridization can be tuned to yield the analogue of parity switching in MZMs, a key element of topological qubits. We find strong agreements with theory.
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