A coarse-grained model for a nanometer-scale molecular pump

Oded Hod; Eran Rabani

doi:10.1073/pnas.2436170100

A coarse-grained model for a nanometer-scale molecular pump

Oded Hod
, Eran Rabani^*

^*Corresponding author for this work

Research output: Contribution to journal › Article › peer-review

18 Scopus citations

Abstract

A theory for a nanometer-scale pump based on the ratchet concept is presented. A lattice gas model with a set of moves that satisfy hydrodynamic equations is used to describe an asymmetric nanometer channel connecting two reservoirs of fluid. The channel, which is coupled to an external oscillatory (or stochastic) driving force, pumps fluid from one reservoir to the other. The frequency of the external driving force, the fluid density, and the channel dimensions are used to control the fluid flow. We observe a nonmonotonic behavior of the flow with respect to some model parameters and discuss the efficiency of the device.

Original language	English
Pages (from-to)	14661-14665
Number of pages	5
Journal	Proceedings of the National Academy of Sciences of the United States of America
Volume	100
Issue number	25
DOIs	https://doi.org/10.1073/pnas.2436170100
State	Published - 9 Dec 2003
Externally published	Yes

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A coarse-grained model for a nanometer-scale molecular pump

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