Projection of Exact Spin Eigenfunctions
Vedene H. Smith, Frank E. Harris · Journal of Mathematical Physics · 1969
The relationships defining spin projectors are reviewed and the explicit formulations of the resulting spin-dependent (Sanibel) coefficients are shown to be consistent. Recurrence relations among Sanibel coefficients are derived. It is shown how the formal results here presented are useful in the calculation of matrix elements of spin-free and spin-dependent operators.