Browsing by Subject "Langevin equation"

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    Fluctuation-dissipation and energy properties of a finite bath
    (American Physical Society, 2016) Carcaterra, A.; Akay, A.
    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. © 2016 American Physical Society.