Stochastic variational method with noncentral forces

- th / 9 61 20 14 v 1 5 D ec 1 99 6 Stochastic variational method with noncentral forces

This paper extends the application of the stochastic variational method to noncentral interactions. Several examples are presented for three-and four-nucleon systems with realistic nuclear forces. The correlated Gaussians easily cope with the strong short range repulsion of the potential and the stochastic variational method efficiently selects the most important spin, isospin and orbital angul...

Solution of few - body problems with the stochastic variational method : I . Central forces

This paper presents a fortran program to solve diverse few-body problems with the stochastic variational method. Depending on the available computational resources the program is applicable for N = 2 − 3 − 4 − 5 − 6 − ...-body systems with L = 0 total orbital momentum. The solution with the stochastic variational method is " automatic " and universal. One defines the system (number of particles...

Noncentral forces in crystals of charged colloids.

The elastic properties of fcc crystals consisting of charge stabilized colloidal particles are determined from real space imaging experiments using confocal microscopy. The normal modes and the force constants of the crystal are obtained from the fluctuations of the particles around their lattice sites using the equipartition theorem. We show that the Cauchy relation is not fulfilled and that o...

Variational Multiscale Method for Stochastic Thermal and Fluid Flow Problems

Elastic positronium-atom scattering using the stochastic variational method.

The stochastic variational method is used in conjunction with stabilization ideas to compute the low energy phase shifts and scattering lengths for positronium-atom scattering. Results are obtained for the Ps-H, Ps- Li+, Ps-He, and Ps-Ps systems. The Ps-H scattering lengths are probably accurate to better than 5% and are the most accurate so far computed. The results for Ps- Li+ and Ps-Ps scatt...