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The subroutine WWLS1

The routine determines the value of matrix elements:


\begin{displaymath}
( l^{N} QLS \vert\vert [ [ a^{(qls)}_{m_{q1}} \times a...
..._{q4}} ]^{(k_{l}k_{s})} ]^{(00)} \vert\vert l^{N'} QLS ).
\end{displaymath} (39)

The routine WWLS1 uses the routines ITLS, RUMT, IZAS1 for calculation of this sort of the matrix element. The subroutine W1 calculates the first and the second parts of the operator calculates. The subroutine has the formal arguments:
  1. IK is the array I for the bra function.
  2. BK is the array B for the bra function.
  3. ID is the array I for the ket function.
  4. BD is the array B for the ket function.
  5. K2 is the rank $k_{l}$.
  6. K3 is the rank $k_{s}$.
  7. QM1, QM2, QM3 and QM4 are the quasispin projections in (39).
  8. WW is the value of the reduced matrix element (39) which is returned by the subroutine.



2001-12-07