Two-dimensional Brownian motion of anisotropic dimers
Daniel B. Mayer,
Erick Sarmiento-Gómez,
Manuel A. Escobedo-Sánchez
et al.
Abstract:We study the 2D motion of colloidal dimers by single-particle tracking and compare the experimental observations obtained by bright-field microscopy to theoretical predictions for anisotropic diffusion. The comparison is based on the mean-square displacements in the laboratory and particle frame as well as generalizations of the self-intermediate scattering functions, which provide insights into the rotational dynamics of the dimer. The diffusional anisotropy leads to a measurable translational-rotational coup… Show more
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