New Effects and Methods in Brownian Transport

Dmitri Martila and Stefan Groote ()
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Dmitri Martila: Independent Researcher, J. V. Jannseni 6-7, 80032 Pärnu, Estonia
Stefan Groote: Institute of Physics, University of Tartu, W. Ostwaldi 1, 50411 Tartu, Estonia

Stats, 2025, vol. 8, issue 3, 1-13

Abstract: We consider the noise-induced transport of overdamped Brownian particles in a ratchet system driven by nonequilibrium symmetric three-level Markovian noise and additive white noise. In addition to a detailed analysis of this system, we consider a simple example that can be solved exactly, showing both the increase in the number of current reversals and hypersensitivity. The simplicity of the exact solution and the model itself is beneficial for comparison with experiments.

Keywords: noise-induced transport; ratchet effect; multiple current reversal; hypersensitive response (search for similar items in EconPapers)
JEL-codes: C1 C10 C11 C14 C15 C16 (search for similar items in EconPapers)
Date: 2025
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