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Non-radiating excitations, vector potential waves and toroidal metamaterials

Non-radiating excitations, vector potential waves and toroidal metamaterials
Non-radiating excitations, vector potential waves and toroidal metamaterials
A long chase for the elusive dynamic toroidal moments has been recently concluded by detecting a spectral signature of the toroidal dipolar resonance in the response of a specially designed electromagnetic metamaterial [1]. This observation brings up a new interest to the prediction made by Afanasiev and Stepanovsky in 1994 that a combination of oscillating toroidal and conventional electric dipoles forms a non-trivial non-radiating electromagnetic system producing gauge-irreducible waves of vector potential in absence of electric and magnetic fields [2]. Here we report the observation of extremely narrow transmission resonances in toroidal void metamaterials that result from the interference of its electric and toroidal dipolar response thus indicating the existence of such non-radiating system. Our results provide new evidence for the discussion on independent physical significance of vector-potential and its role as an independent information carrier.
Fedotov, V.
3725f5cc-2d0b-4e61-95c5-26d187c84f25
Savinov, V.
147c7954-4636-4438-a305-cd78539f7c0a
Rogacheva, A.V.
07e3c6ce-4e4d-4660-87fd-b04e7061b3ee
Tsai, D.P.
ac188460-c076-41ee-bce4-7aa873f757e3
Zheludev, N.I.
32fb6af7-97e4-4d11-bca6-805745e40cc6
Fedotov, V.
3725f5cc-2d0b-4e61-95c5-26d187c84f25
Savinov, V.
147c7954-4636-4438-a305-cd78539f7c0a
Rogacheva, A.V.
07e3c6ce-4e4d-4660-87fd-b04e7061b3ee
Tsai, D.P.
ac188460-c076-41ee-bce4-7aa873f757e3
Zheludev, N.I.
32fb6af7-97e4-4d11-bca6-805745e40cc6

Fedotov, V., Savinov, V., Rogacheva, A.V., Tsai, D.P. and Zheludev, N.I. (2013) Non-radiating excitations, vector potential waves and toroidal metamaterials. Metamaterials 2013, Bordeaux, France. 16 - 21 Sep 2013. (doi:10.1109/CLEOE-IQEC.2013.6801927).

Record type: Conference or Workshop Item (Paper)

Abstract

A long chase for the elusive dynamic toroidal moments has been recently concluded by detecting a spectral signature of the toroidal dipolar resonance in the response of a specially designed electromagnetic metamaterial [1]. This observation brings up a new interest to the prediction made by Afanasiev and Stepanovsky in 1994 that a combination of oscillating toroidal and conventional electric dipoles forms a non-trivial non-radiating electromagnetic system producing gauge-irreducible waves of vector potential in absence of electric and magnetic fields [2]. Here we report the observation of extremely narrow transmission resonances in toroidal void metamaterials that result from the interference of its electric and toroidal dipolar response thus indicating the existence of such non-radiating system. Our results provide new evidence for the discussion on independent physical significance of vector-potential and its role as an independent information carrier.

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More information

Published date: 2013
Venue - Dates: Metamaterials 2013, Bordeaux, France, 2013-09-16 - 2013-09-21
Organisations: Optoelectronics Research Centre

Identifiers

Local EPrints ID: 383236
URI: https://eprints.soton.ac.uk/id/eprint/383236
PURE UUID: 551b9670-0316-4931-adb1-c9588491ae01
ORCID for V. Savinov: ORCID iD orcid.org/0000-0001-7203-7222
ORCID for N.I. Zheludev: ORCID iD orcid.org/0000-0002-1013-6636

Catalogue record

Date deposited: 13 Nov 2015 08:46
Last modified: 20 Jul 2019 01:22

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Contributors

Author: V. Fedotov
Author: V. Savinov ORCID iD
Author: A.V. Rogacheva
Author: D.P. Tsai
Author: N.I. Zheludev ORCID iD

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