Instruct: Identify the main and secondary category of Arxiv papers based on the titles and abstracts
Query: Compact formulas for bounce/transit averaging in axisymmetric tokamak
  geometry   Compact formulas for bounce and transit orbit averaging of the
fluctuation-amplitude eikonal factor in axisymmetric tokamak geometry, which is
frequently encountered in bounce-gyrokinetic description of microturbulence,
are given in terms of the Jacobi elliptic functions and elliptic integrals.
These formulas are readily applicable to the calculation of the neoclassical
susceptibility in the framework of modern bounce-gyrokinetic theory. In the
long-wavelength limit for axisymmetric electrostatic perturbations, we recover
the expression for the Rosenbluth-Hinton residual zonal flow [Rosenbluth and
Hinton, Phys.~Rev.~Lett.~{\bf 80}, 724 (1998)] accurately.

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The categories of this paper are: hep-th
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The categories of this paper are: cs
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The categories of this paper are: nucl-ex
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The categories of this paper are: hep-ex
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The categories of this paper are: solv-int
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The categories of this paper are: hep-lat
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The categories of this paper are: q-fin
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The categories of this paper are: chao-dyn
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The categories of this paper are: eess
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The categories of this paper are: dg-ga
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The categories of this paper are: chem-ph
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The categories of this paper are: cmp-lg
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The categories of this paper are: ao-sci
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The categories of this paper are: gr-qc
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The categories of this paper are: astro-ph
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The categories of this paper are: adap-org