A diagonalization algorithm revisited and applied to the nuclear shell model

Abstrakt

An importance sampling iterative algorithm for diagonalizing large matrices is upgraded and adopted for large scale nuclear shell model calculations using a spin uncoupled basis. Its numerical implementation shows that the iterative procedure converges rapidly to the exact eigensolutions achieving an effective drastic cut of the sizes of the Hamiltonian matrix.

Klíčová slova

• Matrix diagonalization algorithm
• Nuclear shell model