We suggest a practical method for the optimal choice of parameters of a given set of basis functions used in variational calculations of eigenvalues. The method can be applied, in principle, to any quantal system and has been tested with excellent results in the case of the two lowest levels of anharmonic oscillators, including the double well problem.
On the choice of the basis in variational calculations of eigenvalues
D Stanzial
1985
Abstract
We suggest a practical method for the optimal choice of parameters of a given set of basis functions used in variational calculations of eigenvalues. The method can be applied, in principle, to any quantal system and has been tested with excellent results in the case of the two lowest levels of anharmonic oscillators, including the double well problem.File in questo prodotto:
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