Fluctuation-dissipation and energy properties of a finite bath.
basic_science · Level V
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- Record sourced from PubMed, PMID 27078327.
- Also identified by DOI 10.1103/PhysRevE.93.032142.
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Abstract
This paper expands a recent proposal by the authors to rederive the Langevin equation for a test particle in a finite-size thermal bath using a perturbation approach that yields a cascade of Langevin-type equations. Such an approach produces a different viewpoint for the fluctuation-dissipation duality by expressing them on similar scales. General properties of energy sharing between the test particle and the bath are outlined, investigating the resonant and nonresonant conditions.