Electromagnetic energy in a dispersive metamaterial
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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: | Colleges and Schools > College of Science & Technology > School of Computing, Science and Engineering > Materials & Physics Research Centre Colleges and Schools > College of Science & Technology Colleges and Schools > College of Science & Technology > School of Computing, Science and Engineering |
| Journal or Publication Title: | Physical Review B |
| Publisher: | American Physical Society |
| Refereed: | Yes |
| ISSN: | 10980121 |
| Related URLs: | |
| Depositing User: | H Kenna |
| Date Deposited: | 23 Aug 2007 11:58 |
| Last Modified: | 27 Sep 2011 12:20 |
| URI: | http://usir.salford.ac.uk/id/eprint/335 |
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