Instruct: Identify the main and secondary category of Arxiv papers based on the titles and abstracts
Query: Electromagnetic energy within single-resonance chiral metamaterial
  spheres   We derive an exact expression for the time-averaged electromagnetic energy
inside a chiral dispersive sphere irradiated by a plane wave. The dispersion
relations correspond to a chiral metamaterial consisting of uncoupled
single-resonance helical resonators. Using a field decomposition scheme and a
general expression for the electromagnetic energy density in bi-anisotropic
media, we calculate the Lorenz-Mie solution for the internal fields in a medium
that is simultaneously magnetic and chiral. We also obtain an explicit
analytical relation between the internal electromagnetic field and the
absorption cross-section. This result is applied to demonstrate that strong
chirality leads to an off-resonance field enhancement within weakly absorb.ing
spheres.

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The categories of this paper are: gr-qc
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The categories of this paper are: hep-th
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The categories of this paper are: supr-con
35
The categories of this paper are: mtrl-th
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The categories of this paper are: cond-mat
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The categories of this paper are: astro-ph
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The categories of this paper are: hep-lat
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The categories of this paper are: solv-int
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The categories of this paper are: quant-ph
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The categories of this paper are: dg-ga
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The categories of this paper are: eess
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The categories of this paper are: plasm-ph
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The categories of this paper are: alg-geom
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The categories of this paper are: q-fin
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The categories of this paper are: atom-ph
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The categories of this paper are: q-alg