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  Dynamics of sedimenting active Brownian particles

Vachier, J., & Mazza, M. (2019). Dynamics of sedimenting active Brownian particles. European Physical Journal E, 42(1): 11. doi:10.1140/epje/i2019-11770-6.

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Item Permalink: http://hdl.handle.net/21.11116/0000-0002-E471-D Version Permalink: http://hdl.handle.net/21.11116/0000-0002-ECB5-8
Genre: Journal Article

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 Creators:
Vachier, Jérémy1, Author              
Mazza, Marco1, Author              
Affiliations:
1Group Non-equilibrium soft matter, Department of Dynamics of Complex Fluids, Max Planck Institute for Dynamics and Self-Organization, Max Planck Society, ou_2063308              

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Free keywords: Flowing matter: Nonlinear Physics and Mesoscale Modeling
 Abstract: We investigate the stochastic dynamics of one sedimenting active Brownian particle in three dimensions under the influence of gravity and passive fluctuations in the translational and rotational motion. We present an analytical solution of the Fokker-Planck equation for the stochastic process which allows us to describe the dynamics of one active Brownian particle in three dimensions. We address the time evolution of the density, the polarization, and the steady-state solution. We also perform Brownian dynamics simulations and study the effect of the activity of the particles on their collective motion. These results qualitatively agree with our model. Finally, we compare our results with experiments (J. Palacci et al., Phys. Rev. Lett. 105, 088304 (2010)) and find very good agreement.

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Language(s): eng - English
 Dates: 2019-01-302019
 Publication Status: Published in print
 Pages: -
 Publishing info: -
 Table of Contents: -
 Rev. Method: Peer
 Identifiers: DOI: 10.1140/epje/i2019-11770-6
 Degree: -

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Title: European Physical Journal E
Source Genre: Journal
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Publ. Info: Berlin : Springer
Pages: 11 Volume / Issue: 42 (1) Sequence Number: 11 Start / End Page: - Identifier: ISSN: 1292-8941
CoNE: https://pure.mpg.de/cone/journals/resource/954925624277_1