VARIATIONAL MONTE-CARLO CALCULATIONS OF H-3 AND HE-4 WITH A RELATIVISTIC HAMILTONIAN

In relativistic Hamiltonians the two-nucleon interaction is expressed as a sum of <(nu)over tilde>(ij), the interaction action in the P-ij = 0 rest frame, and the ''boost interaction'' delta nu(P-ij) which depe nds upon the total momentum P-ij and vanishes in the rest frame. The d elta nu can be regarded as a sum of four terms: delta nu(RE), delta nu (LC), delta nu(TP), and delta nu(QM); the first three originate from t he relativistic energy-momentum relation, Lorentz contraction, and Tho mas precession, while the last is purely quantum. The contributions of delta nu(RE) and delta nu(LC) have been previously calculated with th e variational Monte Carlo method for H-3 and He-4. In this paper we re port the results of similar calculations for the contributions of delt a nu(TP) and delta nu(QM). These are found to be rather small.