StretchedExpFT¶

Description¶

Provides the Fourier Transform of the Symmetrized Stretched Exponential Function

$S(Q,E) = \mathcal{F}( height(Q) \cdot e^{-|\frac{x}{\tau(Q)}|^{\beta(Q)}} )$

If the energy units of energy are micro-eV, then tau is expressed in pico-seconds. If E-units are micro-eV then tau is expressed in nano-seconds.

Name	Default	Description
height	0.1	Intensity at the origin
tau	100.0	Relaxation time of the standard exponential
beta	1.0	Stretching exponent

Categories: FitFunctions | QuasiElastic