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Investigation of the Stochastic Dynamics of Nanomotor Protein: Effect of Bistable Potential Type

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Abstract:

The stochastic dynamics of nanomotor based on Langevin equation using two different types of bistable potentials in their symmetric and asymmetric forms in presence of thermal noise is investigated. The asymmetric bistable potentials have two minima which have been separated by potential barrier with two different coupling strengths. The effect of both symmetric and asymmetric bistable potentials on the stationary probability density and the mean current is studied. Of the topics to be discussed are the dependency of the current on the noise intensity, the coupling strength, the equilibrium distance and the driving force for both bistable potentials.

Keywords: ASYMMETRIC POTENTIALS; LANGEVIN DYNAMICS; MODELING; NOISE INTENSITY; STATIONARY PROBABILITY DENSITY

Document Type: Research Article

DOI: http://dx.doi.org/10.1166/jctn.2009.1031

Publication date: January 1, 2009

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  • Journal of Computational and Theoretical Nanoscience is an international peer-reviewed journal with a wide-ranging coverage, consolidates research activities in all aspects of computational and theoretical nanoscience into a single reference source. This journal offers scientists and engineers peer-reviewed research papers in all aspects of computational and theoretical nanoscience and nanotechnology in chemistry, physics, materials science, engineering and biology to publish original full papers and timely state-of-the-art reviews and short communications encompassing the fundamental and applied research.
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