Matches in SemOpenAlex for { <https://semopenalex.org/work/W2014321715> ?p ?o ?g. }
- W2014321715 abstract "With this work, we investigate an often neglected aspect of Brownian motor transport, namely, the role of fluctuations of the noise-induced current and its consequences for the efficiency of rectifying noise. In doing so, we consider a Brownian inertial motor that is driven by an unbiased monochromatic, time-periodic force and thermal noise. Typically, we find that the asymptotic, time-, and noise-averaged transport velocities are small, possessing rather broad velocity fluctuations. This implies a corresponding poor performance for the rectification power. However, for tailored profiles of the ratchet potential and appropriate drive parameters, we can identify a drastic enhancement of the rectification efficiency. This regime is marked by persistent, unidirectional motion of the Brownian motor with few back-turns only. The corresponding asymmetric velocity distribution is then rather narrow, with a support that predominantly favors only one sign for the velocity." @default.
- W2014321715 created "2016-06-24" @default.
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- W2014321715 date "2004-12-20" @default.
- W2014321715 modified "2023-09-30" @default.
- W2014321715 title "Brownian motors: Current fluctuations and rectification efficiency" @default.
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- W2014321715 doi "https://doi.org/10.1103/physreve.70.061105" @default.
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