A
tensor
operator
of rank k:
has 2k+1 components.
closed
under
commutat
ion with
. The defining relation is:
,
.
Scalar
operator
:
:
. Ex:
vector
operator
s:r:
:
. Ex:
higher ranks
represents
. Then
as expected
source
psfile
jl@crush.caltech.edu
index
tensor_operator_adjoint
wigner_eckhart_theorem
outer_product