利用Miura折叠超材料按需实现拓扑态
On-demand realization of topological states using Miura-folded metamaterials
AI总结:
本研究针对拓扑超材料按需定制拓扑态的需求,提出在Miura折叠超材料表面利用柔顺机构诱导拓扑相变产生拓扑态,并通过折叠行为调控其频率与开关,为拓扑态按需控制及波操控、振动隔离应用提供新途径。
摘要:
拓扑超材料的最新进展揭示了丰富的物理现象与众多应用。早期研究主要通过结构对称性原理实现受拓扑保护的边缘态,而这一快速发展的领域如今正致力于定制拓扑态,调控其出现时机与频率。本研究提出在Miura折叠超材料的表面利用柔顺机构实现拓扑相变,该方法可诱导两种相反的拓扑相,从而在界面处产生拓扑态。此外,我们利用Miura折叠超材料独特的折叠行为,调控拓扑态的频率并动态切换其存在与否。本研究不仅为在Miura折叠结构中诱导拓扑相变铺平了道路,还实现了拓扑态的按需控制,在波操控与振动隔离领域具有广阔应用前景。
英文摘要:
Recent advancements in topological metamaterials have unveiled fruitful physics and numerous applications. Whereas initial efforts focus on achieving topologically protected edge states through principles of structural symmetry, the burgeoning field now aspires to customize topological states, tailoring their emergence and frequency. Here, our study presents the realization of topological phase transitions utilizing compliant mechanisms on the facets of Miura-folded metamaterials. This approach induces two opposite topological phases, leading to topological states at the interface. Moreover, we exploit the unique folding behavior of Miura-folded metamaterials to tune the frequency of topological states and dynamically toggle their presence. Our research not only paves the way for inducing topological phase transitions in Miura-folded structures but also enables the on-demand control of topological states, with promising applications in wave manipulation and vibration isolation.
机构、总结、中文摘要均由AI分析而来,可能存在错误,请以论文正文为准。