Dynamic Light Scattering
- Page ID
- 202089
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The correlation function for a system experiencing Brownian motion \(G(t)\) decays exponentially with decay constant \(\Gamma\).
\[G(t)=e^{-\Gamma t}\]
\(\Gamma\) is related to the diffusivity of the particle by
\[\Gamma=-Dq^{^{2}} \]
where
\[q=\frac{4\pi n }{\lambda}\sin(\dfrac{\Theta }{2})\]
References
- Dynamic Light Scattering Edited by Robert Pecora 1985. Plenum Press New York
- Foundations of Colloid Science Written by Robert J. Hunter 1987 Clarendon Press Oxford
- J.W Goodman, Some Fundamental Properties of Speckle, JOSA, Vol. 66, Issue 11, pp. 1145-1150 (1976)