A note about the ground state of the hydrogen molecule
A. V. Turbiner, N. L. Guevara
Abstract
A trial function is presented for the H2 molecule which provides the most accurate (the lowest) Bohr-Oppenheimer ground state energy among few-parametric trial functions (with ≤ 14 parameters). It includes the electronic correlation term in the form (γr12) where γ is a variational parameter.
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