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Shane Flynn edited Kinetic model with dynamic disorder.tex
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\section{Dynamically Disordered System Analysis}
The effects of dynamic disorder on higher ordered kinetics can be investigated through the Kohlrausch-Williams-Watts (KWW) model. This expression takes the expotential decay predicted by classical kinetics and stretches the curve through a time depedent rate coefficient $\omega$ and the coopertavity of decay $\beta$, making it a conventient expression for
predicting non-expotential behavior. interpreting dynamic disorder. The
KWW use of this model
has been widely applicable is intended to
many fields of science such as the discharge be a proof of
capacitors[cite]. The KWW model adds an exponential term, $\beta$,to the survival function model. The term $\omega$ represents principle, however any system with a time
independent depedent rate coefficient
and $\beta$ represents dynamic disorder where $0<\beta\leq1$. Applying KWW to may be analyzed.
Assuming an overall second order
kinetics, process with a time depedent rate coefficient the survival
probability function is
represented written as $S(t)=\frac{1}{1+(\omega
t[A_0])^{\beta}}$. The t[A_0])^{\beta}}$.Thorugh the time derivitive of the inverse of the survival function the time
dependent depedent rate coefficient
characterising the deacy is
expressed as $k(t)=\frac{\beta([A_0]\omega
t)^{\beta}}{t}$, where the second order t)^{\beta}}{t}$. We see this definition of the
time dependent rate coefficient
was used. This maintains a depedence on the initial concentration of the reactants which is a unique result when compared to first order kinetics. Through integrating over the time
dependent depedent rate coefficient
gives we find the statistical
length and divergences of length.
\begin{equation}
\mathcal{L}_{KWW}(\Delta{t})=[A_0]^{\beta}\omega^{\beta}t^{\beta}\bigg|_{t_i}^{t_f}
\end{equation}
\begin{equation}
\mathcal{J}_{KWW}(\Delta{t})=\frac{\Delta t[A_0]^{2\beta}\beta^{2}\omega^{2\beta}t^{2\beta-1}}{2\beta-1}\bigg|_{t_i}^{t_f}
\end{equation}