Three-body bound state calculations using three-dimensional low-momentum interaction Vlow k

Three-dimensional Faddeev integral equations are solved for the three-body (3B) bound state problem without using the partial wave form of low-momentum two-body interaction V-low k which is constructed from spin-independent Malfliet-Tjon V (MT-V) potential. The dependence of 3B binding energy on the cutoff momentum of V-low k is investigated for a wide range of Lambda from 1.0 to 7.0 fm(-1). The properties of the Faddeev components and 3B wave function are displayed and the effect of the number of grid points for momentum and angle variables on the accuracy and stability of the numerical results is studied by calculation of the expectation value of the total Hamiltonian.