Wigner-Eckart theorem

The Wigner-Eckart theorem is a theorem of representation theory and quantum mechanics allowing operators to be transformed from one basis to another. These transformations involve the use of Clebsch-Gordan coefficients.

External link

Wigner-Eckart theorem at Mathworld

See also: Wigner-Eckart theorem, Basis (linear algebra), Clebsch-Gordan coefficients, Mathematics, Operator, Quantum mechanics, Representation theory, Theorem