Brownian motion of suspended particles in an anisotropic medium |
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| Authors: | Y.F. Hsia N. Fang H.M. Widatallah D.M. Wu X.M. Lee J.R. Zhang |
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| Affiliation: | (1) Department of Physics, Nanjing University, Nanjing, 210093, China;(2) Department of Isotopes, China Institute of Atomic Energy, Beijing, China |
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| Abstract: | Some experimental results in the case of anisotropic media are at variance with the Einstein-Stokes formula of Brownian motion and the Singwi-Sjölander model. The disagreement comes from the anchor effect. The concept of “pseudoparticle” is introduced in order to retain the Singwi-Sjölander formalism. Mössbauer spectroscopy can be used to estimate the thickness of the anchored liquid-crystalline molecular textures forming on the surface of Brownian particles. |
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| Keywords: | M?ssbauer spectroscopy Brownian motion |
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