Abstract
An alternative calculation technique in the generator-coordinate method (GCM) has been proposed in which square-well potential between nucleon-pairs is employed, instead of the harmonic oscillator potential of the HOSM (harmonic oscillator shell model.) The eigen-function of the Schroedinger equation with nucleon-pair Hamiltonian replaces the HOSM wave function and its kernels. The GCM kernels are projected out on an arbitrary non-orthonormal function, whereas the total wave function is expanded in terms of this function to obtain standard eigenvalue equation. Ground state energies of 2H and 4He and the electric quadruple moment of 2H were calculated and the results were compared to the Variational Monte Carlo (VMC) calculation and experimental data.
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