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Resonances and Fiel...
Resonances and Fields near Metamaterial Inclusions
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McPhedran, Ross (författare)
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- Helsing, Johan (författare)
- Lund University,Lunds universitet,Harmonic Analysis and Applications,Forskargrupper vid Lunds universitet,Matematik LTH,Matematikcentrum,Institutioner vid LTH,Lunds Tekniska Högskola,Lund University Research Groups,Mathematics (Faculty of Engineering),Centre for Mathematical Sciences,Departments at LTH,Faculty of Engineering, LTH
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Milton, Graeme (författare)
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(creator_code:org_t)
- 2012
- 2012
- Engelska 2 s.
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Ingår i: Antennas and Propagation Society International Symposium (APSURSI), 2012 IEEE. - 1522-3965 .- 1947-1491. - 9781467304627
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Abstract
Ämnesord
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- We consider systems of particles in two dimensions with negative dielectric permittivity and sharp corners. The field divergences near the corners of the inclusions are non-square-integrable for negative permittivities in a range depending on the corner angle, and the leading term for small distances is provided by the static term. We have developed a highly accurate numerical method which uses adaptive techniques to resolve field behaviour near the corners. We use this to elucidate the resonant spectrum associated with the effective permittivity of arrays of such particles, and in particular its behaviour as the particles approach touching.
Ämnesord
- NATURVETENSKAP -- Matematik (hsv//swe)
- NATURAL SCIENCES -- Mathematics (hsv//eng)
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