Instruct: Identify the main and secondary category of Arxiv papers based on the titles and abstracts
Query: "Magneto-elastic" waves in an anisotropic magnetised plasma   The linear waves that propagate in a two fluid magnetised plasma allowing for
a non-gyrotropic perturbed ion pressure tensor are investigated. For
perpendicular propagation and perturbed fluid velocity a low frequency
(magnetosonic) and a high frequency (ion Bernstein) branch are identified and
discussed. For both branches a comparison is made with the results of a
truncated Vlasov treatment. For the low frequency branch we show that a
consistent expansion procedure allows us to recover the correct expression of
the Finite Larmor Radius corrections to the magnetosonic dispersion relation.

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The categories of this paper are: adap-org
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The categories of this paper are: patt-sol
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The categories of this paper are: bayes-an
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The categories of this paper are: cmp-lg
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The categories of this paper are: q-bio
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The categories of this paper are: math-ph
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The categories of this paper are: plasm-ph
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The categories of this paper are: astro-ph
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The categories of this paper are: nucl-th
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The categories of this paper are: math
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The categories of this paper are: dg-ga
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The categories of this paper are: nlin
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The categories of this paper are: nucl-ex
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The categories of this paper are: chem-ph
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The categories of this paper are: quant-ph
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The categories of this paper are: funct-an