dorsal/arxiv
View SchemaElectromagnetic energy in a dispersive metamaterial
| Authors | A. D. Boardman, K. Marinov |
|---|---|
| Categories | |
| ArXiv ID | physics/0603199 |
| URL | https://arxiv.org/abs/physics/0603199 |
| DOI | 10.1103/PhysRevB.73.165110 |
| Journal | Phys. Rev. B 73, 165110 (2006) |
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 (FDTD) 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.
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"abstract": "An expression for the electromagnetic field energy density in a dispersive,\nlossy, left-handed metamaterial, consisting of an array of split-ring\nresonators and an array of wires is derived. An electromagnetic field with\ngeneral time-dependence is considered. The outcome is compared with previously\npublished results. In the absence of losses, agreement with the general result\nfor the energy density in a dispersive material is obtained. The formulae are\nverified using the finite-difference time-domain (FDTD) numerical method. The\napplicability of two commonly used permeability models to the problem of\ncalculating the energy stored in an array of split-ring resonators is\ndiscussed.",
"arxiv_id": "physics/0603199",
"authors": [
"A. D. Boardman",
"K. Marinov"
],
"categories": [
"physics.class-ph",
"cond-mat.mtrl-sci",
"physics.comp-ph"
],
"doi": "10.1103/PhysRevB.73.165110",
"journal_ref": "Phys. Rev. B 73, 165110 (2006)",
"title": "Electromagnetic energy in a dispersive metamaterial",
"url": "https://arxiv.org/abs/physics/0603199"
},
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