标题： 具有平衡与最优双各向异性特性的粒子：最大化从电磁场中提取的功率 显示英文标题

标题： Balanced and optimal bianisotropic particles: Maximizing power extracted from electromagnetic fields

摘要： 在此，我们引入了“最优粒子”的概念，用于强相互作用的电磁场。我们假设一个粒子占据空间中的一个小体积，并研究粒子极化率所需的最优关系。在这些最优粒子中，形状和材料的选择使得粒子能够从给定的入射场中提取最大可能的功率。结果表明，对于不同的激励场景，最优粒子分别是双各向异性手性粒子、欧姆粒子、运动粒子和特伦根粒子。共振规范手性粒子和欧姆粒子的最优尺寸被解析地确定。这种最优粒子在散射中具有极端性质（例如零后向散射或隐形）。最优粒子的平面阵列在反射和传输中表现出极端性质（例如完全吸收或磁墙共振），而最优粒子的体复合材料则实现了诸如手性零介质等极端材料。 显示英文摘要

摘要： Here we introduce the concept of "optimal particles" for strong interactions with electromagnetic fields. We assume that a particle occupies a given electrically small volume in space and study the required optimal relations between the particle polarizabilities. In these optimal particles, the inclusion shape and material are chosen so that the particles extract the maximum possible power from given incident fields. It appears that for different excitation scenarios the optimal particles are bianisotropic chiral, omega, moving, and Tellegen particles. The optimal dimensions of the resonance canonical chiral and omega particles are found analytically. Such optimal particles have extreme properties in scattering (for example, zero backscattering or invisibility). Planar arrays of optimal particles possess extreme properties in reflection and transmission (e.g., total absorption or magnetic-wall resonance), and volumetric composites of optimal particles realize, for example, such extreme materials as the chiral nihility medium.