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Diffusion of a Brownian ellipsoid in a force field
KTH, School of Computer Science and Communication (CSC). Nordita. (Prof. Dr. Erik Aurell's Group)ORCID iD: 0000-0002-4384-8816
KTH, School of Computer Science and Communication (CSC).
Nordita.
Nordita.
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2016 (English)In: EPL (Europhysics Letters), Vol. 114, no 3, 30005- p.Article in journal (Refereed) Published
Abstract [en]

We calculate the effective long-term convective velocity and dispersive motion of an ellipsoidal Brownian particle in three dimensions when it is subjected to a constant external force. This long-term motion results as a "net" average behavior from the particle rotation and translation on short time scales. Accordingly, we apply a systematic multi-scale technique to derive the effective equations of motion valid on long times. We verify our theoretical results by comparing them to numerical simulations.

Place, publisher, year, edition, pages
2016. Vol. 114, no 3, 30005- p.
Keyword [en]
Diffusion, Brownian ellipsoid
National Category
Physical Sciences
Identifiers
URN: urn:nbn:se:kth:diva-207038DOI: 10.1209/0295-5075/114/30005OAI: oai:DiVA.org:kth-207038DiVA: diva2:1095384
Note

QC 20170515

Available from: 2017-05-12 Created: 2017-05-12 Last updated: 2017-05-15Bibliographically approved

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Publisher's full texthttp://stacks.iop.org/0295-5075/114/i=3/a=30005

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