ThreejSymbol INDEX

THREEJSYMBOL _ _ _ _ _ _ _ _ _ _ _ _ operator

The ThreejSymbol operator implements the 3j symbol.

syntax:

ThreejSymbol(<list of j1,m1>,<list of j2,m2>, <list of j3,m3>)

examples: 



ThreejSymbol({j+1,m},{j+1,-m},{1,0}); 


        j
  ( - 1)  *(abs(j - m + 1) - abs(j + m + 1))
  -------------------------------------------
             3       2                    m
   2*sqrt(2*j   + 9*j   + 13*j + 6)*( - 1)