Journal
PHYSICAL REVIEW B
Volume 89, Issue 24, Pages -Publisher
AMER PHYSICAL SOC
DOI: 10.1103/PhysRevB.89.245125
Keywords
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Funding
- Leverhulme Trust
- Gordon and Betty Moore Foundation
- AFOSR
- EPSRC Active Plasmonics Programme
- Imperial College Ph.D. scholarship
- Engineering and Physical Sciences Research Council [1370947, EP/D063329/1, EP/H000917/2] Funding Source: researchfish
- EPSRC [EP/D063329/1, EP/H000917/2] Funding Source: UKRI
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Symmetry plays an important role in physics providing a means of classification and a route to understanding. Here we show that an apparently unsymmetrical structure, in our example an ellipse/spheroid, has a more symmetrical partner with an identical spectrum and through which its electromagnetic properties can be classified and calculated analytically. We use the powerful tool of transformation optics to establish this relationship which has wide application beyond the simple example we give in this paper.
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