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EnglishIn this work, we first derive the nonradiating anapole condition with a straightforward theoretical demonstration exploiting one of the Devaney-Wolf theorems for nonradiating currents. Based on the equivalent volumetric and surface electromagnetic sources, it is possible to establish a unique compact conditions directly from Maxwell’s Equations in order to ensure nonradiating anapole state. In addition, we support our theoretical findings with a numerical investigation on a broken-symmetry dielectric particle, building block of a metamaterial structure, demonstrating through a detailed multiple expansion the nonradiating anapole condition behind these peculiar destructive interactions.
Nonradiating anapole condition derived from Devaney-Wolf theorem and excited in a broken-symmetry dielectric particle / Labate, Giuseppe; Ospanova, Anar K.; Nemkov, Nikita A.; Basharin, Alexey A.; Matekovits, Ladislau. - In: OPTICS EXPRESS. - ISSN 1094-4087. - ELETTRONICO. - 28:7(2020), pp. 10294-10307. [10.1364/OE.28.010294]
| Titolo: | Nonradiating anapole condition derived from Devaney-Wolf theorem and excited in a broken-symmetry dielectric particle | |
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| Data di pubblicazione: | 2020 | |
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| Digital Object Identifier (DOI): | http://dx.doi.org/10.1364/OE.28.010294 | |
| Appare nelle tipologie: | 1.1 Articolo in rivista |
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http://hdl.handle.net/11583/2807016
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