论文标题
Dyakonov结构中的连续体中的表面结合状态
Surface Bound States in the Continuum in Dyakonov Structures
论文作者
论文摘要
已经发现在连续体（SBIC）中的表面结合状态发生在不同的环境中，但到目前为止，在非均匀介质（例如离散晶格或周期系统）的界面上始终发生。在这里，我们证明它们也可以在均匀媒体的界面中存在，从而产生独特的SBIC。具体而言，我们发现，与一般信念相反，泄漏的Dyakonov状态存在于各向异性迹象相反的材料之间的界面。此外，正确打破各向异性对称会导致形成两个引导状态和嵌入在连续体内的SBIC。我们发现的直接含义是在全新的材料和超材料类别中创建SBIC和Dyakonov国家的可能性。
Surface bound states in the continuum (SBICs) have been found to occur in diverse settings, but so far always at the interface of non-homogeneous media, such as discrete lattices or periodic systems. Here we show that they can also exist at the interface of homogeneous media, resulting in unique SBICs. Specifically, we found that, contrary to general belief, leaky Dyakonov states exist at the interface between materials that exhibit opposite signs of anisotropy. In addition, properly breaking the anisotropy-symmetry leads to the formation of both guided states and also SBICs embedded within the continuum. A direct implication of our finding is the possibility to create SBICs and Dyakonov states in a whole new class of materials and metamaterials.
