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MsdGauss¶
Description¶
The Gaussian model for Mean-squared displacement fitting is defined as:
\[\mbox{Height} \cdot e^{\left(\frac{-x^2 \cdot MSD}{6}\right)}\]
- where:
\(MSD\) is the mean squared displacement
\(Height\) is the intensity scaling
Here the MSD is not the same as mean square fluctuations (MSF) which approximately corresponds to half of the MSD in a one-dimensional harmonic system [1].
Properties (fitting parameters)¶
Name |
Default |
Description |
---|---|---|
Height |
1.0 |
Height |
Msd |
0.05 |
Mean square displacement |
References
Kurkal-Siebert, V. , Daniel, R. , Finney J. , Tehei, M. , Dunn, R. and Smith J. (2006) ‘Enzyme hydration, activity and flexibility: A neutron scattering approach’, Journal of Non-Crystalline Solids, Vol.352(42-49), pp.4387-4393
Categories: FitFunctions | QuasiElastic
Source¶
Python: MsdGauss.py