Instruct: Identify the main and secondary category of Arxiv papers based on the titles and abstracts
Query: Metamaterial tuning by manipulation of near-field interaction   We analyze the near-field interaction between the resonant sub-wavelength
elements of a metamaterial, and present a method to calculate the electric and
magnetic interaction coefficients. We show that by adjusting the relative
configuration of the neighboring split ring resonators it becomes possible to
manipulate this near-field interaction, and thus tune the response of
metamaterials. We use the results of this analysis to explain the
experimentally observed tuning of microwave metamaterials.

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The categories of this paper are: chem-ph
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The categories of this paper are: hep-ex
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The categories of this paper are: comp-gas
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The categories of this paper are: q-fin
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The categories of this paper are: q-alg
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The categories of this paper are: patt-sol
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The categories of this paper are: cmp-lg
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The categories of this paper are: solv-int
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The categories of this paper are: plasm-ph
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The categories of this paper are: atom-ph
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The categories of this paper are: nucl-ex
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The categories of this paper are: alg-geom
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The categories of this paper are: gr-qc
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The categories of this paper are: stat
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The categories of this paper are: adap-org
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The categories of this paper are: dg-ga