Instruct: Identify the main and secondary category of Arxiv papers based on the titles and abstracts
Query: Dumbbell transport and deflection in a spatially periodic potential   We present theoretical results on the deterministic and stochastic motion of
a dumbbell carried by a uniform flow through a three-dimensional spatially
periodic potential. Depending on parameters like the flow velocity, there are
two different kinds of movement: transport along a potential valley and
stair-like motion oblique to the potential trenches. The crossover between
these two regimes, as well as the deflection angle, depends on the size of the
dumbbell. Moreover, thermal fluctuations cause a resonance-like variation in
the deflection angle as a function of the dumbbell extension.

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The categories of this paper are: adap-org
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The categories of this paper are: stat
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The categories of this paper are: comp-gas
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The categories of this paper are: quant-ph
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The categories of this paper are: patt-sol
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The categories of this paper are: ao-sci
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The categories of this paper are: eess
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The categories of this paper are: q-alg
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The categories of this paper are: math
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The categories of this paper are: acc-phys
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The categories of this paper are: nucl-th
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The categories of this paper are: econ
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The categories of this paper are: q-fin
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The categories of this paper are: astro-ph
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The categories of this paper are: math-ph
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The categories of this paper are: hep-th