在静止坐标系中观察到的旋转阵列和超材料的对称性破坏
Breach of symmetries in rotating arrays and metamaterials observed in their rest frame
摘要:
发展和讨论了旋转介质静止系中的极化率理论和离散偶极子近似。该分析是基于严格的旋转介质格林函数,并用于研究旋转对各种阵列和超材料的影响。揭示和研究了旋转引起的非互易电动力学。虽然它可以解释在结构内的Sagnac干涉环的多重性,相关的旋转足迹表现出新的影响,以前没有报道在传统的Sagnac效应的结构参数。由此产生的非互惠性也将得到证明和讨论。
英文摘要:
Polarizability theory and discrete dipole approximation in a rotating medium rest-frame is developed and discussed. The analysis is based on a rigorous rotating medium Green's function, and is used to study the effect of rotation on various arrays and metamaterials. The non-reciprocal electrodynamics induced by the rotation is exposed and studied. Although it can be interpreted in terms of the multiplicity of Sagnac interference loops inside the structure, the associated rotation footprint exhibits new effects of the structure parameters not previously reported in conventional Sagnac effect. The resulting non-reciprocity will also be demonstrated and discussed.
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