Instruct: Identify the main and secondary category of Arxiv papers based on the titles and abstracts
Query: Brownian duet: A novel tale of thermodynamic efficiency   We calculate analytically the stochastic thermodynamic properties of an
isothermal Brownian engine driven by a duo of time-periodic forces, including
its Onsager coefficients, the stochastic work of each force, and the
corresponding stochastic entropy production. We verify the relations between
different operational regimes, maximum power, maximum efficiency and minimum
dissipation, and reproduce the signature features of the stochastic efficiency.
All these results are experimentally tested without adjustable parameters on a
colloidal system.

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The categories of this paper are: gr-qc
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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: funct-an
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The categories of this paper are: solv-int
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The categories of this paper are: chao-dyn
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The categories of this paper are: hep-lat
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The categories of this paper are: dg-ga
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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: comp-gas
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The categories of this paper are: hep-ph
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The categories of this paper are: quant-ph
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The categories of this paper are: cs
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The categories of this paper are: eess
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The categories of this paper are: q-fin