元となった辞書の項目
Wigner-Eckart theorem
name
A
theorem
of
representation
theory
and
quantum
mechanics,
stating
that
matrix
elements
of
spherical
tensor
operators
on
the
basis
of
angular
momentum
eigenstates
can
be
expressed
as
the
product
of
two
factors,
one
of
which
is
independent
of
angular
momentum
orientation,
and
the
other
a
Clebsch-Gordan
coefficient.
意味（1）
A
theorem
of
representation
theory
and
quantum
mechanics,
stating
that
matrix
elements
of
spherical
tensor
operators
on
the
basis
of
angular
momentum
eigenstates
can
be
expressed
as
the
product
of
two
factors,
one
of
which
is
independent
of
angular
momentum
orientation,
and
the
other
a
Clebsch-Gordan
coefficient.
