Universität zu Köln

Labate, Giuseppe, Ospanova, Anar K., Nemkov, Nikita A., Basharin, Alexey A. and Matekovits, Ladislau ORCID: 0000-0003-0946-9561 (2020). Nonradiating anapole condition derived from Devaney-Wolf theorem and excited in a broken-symmetry dielectric particle. Opt. Express, 28 (7). S. 10294 - 10308. WASHINGTON: OPTICAL SOC AMER. ISSN 1094-4087

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Abstract

In 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. (C) 2020 Optical Society of America under the terms of the OSA Open Access Publishing Agreement

Item Type:	Journal Article
Creators:	Creators Email ORCID ORCID Put Code Labate, Giuseppe UNSPECIFIED UNSPECIFIED UNSPECIFIED Ospanova, Anar K. UNSPECIFIED UNSPECIFIED UNSPECIFIED Nemkov, Nikita A. UNSPECIFIED UNSPECIFIED UNSPECIFIED Basharin, Alexey A. UNSPECIFIED UNSPECIFIED UNSPECIFIED Matekovits, Ladislau UNSPECIFIED orcid.org/0000-0003-0946-9561 UNSPECIFIED
URN:	urn:nbn:de:hbz:38-340030
DOI:	10.1364/OE.28.010294
Journal or Publication Title:	Opt. Express
Volume:	28
Number:	7
Page Range:	S. 10294 - 10308
Date:	2020
Publisher:	OPTICAL SOC AMER
Place of Publication:	WASHINGTON
ISSN:	1094-4087
Language:	English
Faculty:	Unspecified
Divisions:	Unspecified
Subjects:	no entry
Uncontrolled Keywords:	Keywords Language ELECTROMAGNETIC-FIELD; CLOAKING; INVISIBILITY; EXCITATION; OBJECTS; SCALAR; MODES; WEAK Multiple languages Optics Multiple languages
URI:	http://kups.ub.uni-koeln.de/id/eprint/34003