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BUILT-IN MATHEMATICA SYMBOL
WignerD
WignerD[{j, m1, m2}, 
, 
, 
]
gives the Wigner D-function 
.
WignerD[{j, m1, m2}, , ]
gives the Wigner D-function 
.
WignerD[{j, m1, m2}, ]
gives the Wigner D-function 
.
Details
- The Wigner D-function
gives the matrix element of a rotation operator parametrized by Euler angles in a 
-dimensional unitary representation of a rotation group when parameters 
, 
, 
are physical, i.e. all integers or half-integers such that 
. - For unphysical parameters, WignerD is defined by an analytic continuation.
- Mathematica uses phase conventions where
.
New in 8
