Simple model for transport phenomena : Microscopic construction of Maxwell Demon like engine

Details Simple model for transport phenomena : Microscopic construction of Maxwell Demon like engine Simple model for transport phenomena : Microscopic construction of Maxwell Demon like engine

2007-11-08

arxiv.org/abs/0711.1296v1

J. Chem. Phys. 127, 224508 (2007)

Physics

Condensed Matter

Statistical Mechanics

6 pages, RevTex4

Scientific paper

10.1063/1.2806301

We present a microscopic Hamiltonian framework to develop Maxwell demon like engine. Our model consists of a equilibrium thermal bath and a non-equilibrium bath; latter generated by driving with an external stationary, Gaussian noise. The engine we develop, can be considered as a device to extract work by modifying internal fluctuations. Our theoretical analysis focusses on finding the essential ingredients necessary for generating fluctuation induced transport under non-equilibrium condition. An important outcome of our model is that the net motion occurs when the non-linear bath is modulated by the external noise, creating the non-zero effective temperature even when the temperature of both the baths are same.

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