Electromagnetic energy in a dispersive metamaterial

Boardman, AD and Marinov, K 2006, 'Electromagnetic energy in a dispersive metamaterial' , Physical Review B, 73 (16) , p. 165110.

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Abstract

An expression for the electromagnetic field energy density in a dispersive lossy left-handed metamaterial, consisting of an array of split-ring resonators and an array of wires, is derived. An electromagnetic field with general time dependence is considered. The outcome is compared with previously published results. In the absence of losses, agreement with the general result for the energy density in a dispersive material is obtained. The formulae are verified using the finite-difference time-domain numerical method. The applicability of two commonly used permeability models to the problem of calculating the energy stored in an array of split-ring resonators is discussed.

Item Type:	Article
Themes:	Subjects / Themes > Q Science > QC Physics Subjects outside of the University Themes
Schools:	Schools > School of Computing, Science and Engineering Schools > School of Computing, Science and Engineering > Salford Innovation Research Centre
Journal or Publication Title:	Physical Review B
Publisher:	American Physical Society
Refereed:	Yes
ISSN:	10980121
Related URLs:	Publisher Publisher
Depositing User:	H Kenna
Date Deposited:	23 Aug 2007 10:58
Last Modified:	16 Feb 2022 07:37
URI:	http://usir.salford.ac.uk/id/eprint/335

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