Instruct: Identify the main and secondary category of Arxiv papers based on the titles and abstracts
Query: Crossover from Hydrodynamics to the Kinetic Regime in Confined Nanoflows   We present an experimental study of a confined nanoflow, which is generated
by a sphere oscillating in the proximity of a flat solid wall in a simple
fluid. Varying the oscillation frequency, the confining length scale and the
fluid mean free path over a broad range provides a detailed map of the flow. We
use this experimental map to construct a scaling function, which describes the
nanoflow in the entire parameter space, including both the hydrodynamic and the
kinetic regimes. Our scaling function unifies previous theories based on the
slip boundary condition and the effective viscosity.

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The categories of this paper are: chem-ph
0
The categories of this paper are: hep-ph
21
The categories of this paper are: adap-org
6
The categories of this paper are: astro-ph
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The categories of this paper are: q-fin
11
The categories of this paper are: hep-lat
15
The categories of this paper are: nucl-ex
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The categories of this paper are: supr-con
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The categories of this paper are: stat
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The categories of this paper are: dg-ga
1
The categories of this paper are: cs
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The categories of this paper are: cmp-lg
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The categories of this paper are: gr-qc
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The categories of this paper are: mtrl-th
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The categories of this paper are: chao-dyn
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The categories of this paper are: patt-sol