Results 241 to 250 of about 52,593 (299)

Variational methods

2009
Abstract An old but generally very powerful method of approximation is the variational approach. The main ideas involved and a few applications are considered in this chapter.
Kenichi Konishi, Giampiero Paffuti
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Variational transcorrelated method

The Journal of Chemical Physics, 2010
We propose a new approach to the use of Jastrow ansatz in the calculation of electron correlations, based on a modification of the transcorrelated method of Boys and Handy [Proc. R. Soc. London, Ser. A 309, 209 (1969)]. In this new method, the original transcorrelated orbital equation is replaced with a general variational equation for the reference ...
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