Precise solution of few-body problems with the stochastic variational method

Details Precise solution of few-body problems with the stochastic variational method Precise solution of few-body problems with the stochastic variational method

1995-03-08

arxiv.org/abs/nucl-th/9503005v1

Physics

Nuclear Physics

Nuclear Theory

14 pages, revtex, no figures

Scientific paper

A precise variational solution to $N$=2--6-body problems is reported. The trial wave functions are chosen to be combinations of correlated Gaussians, which facilitate a fully analytical calculation of the matrix elements. The nonlinear parameters of the trial function are selected by a stochastic method. Fermionic and bosonic few-body systems are investigated for interactions of different type. A comparison of the results with those available in the literature shows that the method is both accurate and efficient.

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