Abstract
In a recent paper Makarov, D. E.; Metiu, H. J. Chem.
Phys. 1998, 108, 590, makarov:1999:fpes:sfsdGP
we developed a directed genetic programming approach
for finding the best functional form that fits the
energies provided by ab initio calculations. In this
paper, we use this approach to find the analytic
solutions of the time-independent Schrodinger equation.
This is achieved by inverting the Schrodinger equation
such that the potential is a functional depending on
the wave function and the energy. A genetic search is
then performed for the values of the energy and the
analytic form of the wave function that provide the
best fit of the given potential on a chosen grid. A
procedure for finding excited states is discussed. We
test our method for a one-dimensional anharmonic well,
a double well, and a two-dimensional anharmonic
oscillator.
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