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|Title:||Analysis on the origin of directed current from a class of microscopic chaotic fluctuations|
|Citation:||Chew, L.Y., Ting, C. (2004-03). Analysis on the origin of directed current from a class of microscopic chaotic fluctuations. Physical Review E - Statistical, Nonlinear, and Soft Matter Physics 69 (3 1) : 031103-1. ScholarBank@NUS Repository. https://doi.org/10.1103/PhysRevE.69.031103|
|Abstract:||An analytical expression of the origin of directed current from a class of microscopic chaotic fluctuations was discussed. The analytical expression was carried out by employing and extending a model by including a generic potential as an additional force field faced by the particle. The results show that the source term gives rise to a directed current for a strongly damped particle in a spatially periodic potential. It was suggested that the in the zeroth-order limit, the position distribution of the particle obeys the Smoluchowski equation even though the fluctuating force is deterministic.|
|Source Title:||Physical Review E - Statistical, Nonlinear, and Soft Matter Physics|
|Appears in Collections:||Staff Publications|
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