Analysis of diffusion trajectories of anisotropic objects

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We theoretically analyze diffusion trajectories of an anisotropic object moving on a two dimensional space in the absence of an external field. In determining diffusion parameters associated with the shape anisotropy, we devise a measure based on the gyration tensor and obtain its analytic expression exactly. Its efficiency and statistical convergence are examined in comparison with the fourth cumulant of particle displacement. We find that the estimation of diffusion constants based on the gyration measure is more efficient than the analysis adopting the fourth cumulant.
Publisher
AMER INST PHYSICS
Issue Date
2015-07
Language
English
Article Type
Article
Citation

JOURNAL OF CHEMICAL PHYSICS, v.142, no.21, pp.214302-1 - 214302-9

ISSN
0021-9606
DOI
10.1063/1.4921958
URI
http://hdl.handle.net/10203/199614
Appears in Collection
NT-Journal Papers(저널논문)
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