Rectifying the thermal Brownian motion of three-dimensional asymmetric objects
M. van den Broek, C. Van den Broeck
TL;DR
This paper extends the analysis of a thermal Brownian motor to three dimensions, calculating key physical parameters and providing realistic estimates to better understand asymmetric object motion in thermal environments.
Contribution
It introduces a three-dimensional model of a thermal Brownian motor, including calculations of friction, diffusion, and drift based on shape and realistic parameters.
Findings
Calculated friction, diffusion, and drift velocity for 3D asymmetric objects
Provided estimates using realistic physical parameters
Extended previous 2D analysis to 3D configurations
Abstract
We extend the analysis of a thermal Brownian motor reported in Phys. Rev. Lett. 93, 090601 (2004) by C. Van den Broeck, R. Kawai, and P. Meurs to a three-dimensional configuration. We calculate the friction coefficient, diffusion coefficient, and drift velocity as a function of shape and present estimates based on physically realistic parameter values.
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