\citet{evans97} solved this unfolding rate for both inverse power law
potentials and cusp potentials.
-\subsubsection{Double-integral Kramers' theory}
-
-The double-integral form of overdamped Kramers' theory may be too
-complex for analytical predictions of unfolding-force histograms.
-Rather than testing the entire \sawsim\ simulation (\cref{sec:sawsim}),
-we will focus on demonstrating that the Kramers' $k(F)$ evaluations
-are working properly. If the Bell modeled histograms check out, that
-gives reasonable support for the $k(F) \rightarrow \text{histogram}$
-portion of the simulation.
-
-Looking for analytic solutions to Kramers' $k(F)$, we find that there
-are not many available in a closed form. However, we do have analytic
-solutions for unforced $k$ for cusp-like and quartic potentials.
-
\section{Review of current research}
There is a long history of protein unfolding and unbinding