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Wigner-Eckart theorem

Wigner-Eckart theorem proper noun: 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.

Proper noun

Wigner-Eckart theorem

  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.

Origin of Wigner-Eckart theorem

Named after physicists Eugene Wigner and Carl Eckart.

Questions about Wigner-Eckart theorem

What does Wigner-Eckart theorem mean?
Wigner-Eckart theorem means 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.
What part of speech is Wigner-Eckart theorem?
Wigner-Eckart theorem is a proper noun.

Words near Wigner-Eckart theorem in the dictionary

  1. Wigner effect
  2. Wigner effects
  3. Wigner energies
  4. Wigner energy
  5. Wigner's friend
  6. Wigner-Eckart theorem
  7. Wigner-Seitz cell
  8. Wigner-Seitz cells
  9. WIGP
  10. Wigram
  11. Wigrid

Source and license

Adapted from Wiktionary: Wigner-Eckart theorem (page history and authors). Text available under the Creative Commons Attribution-ShareAlike 4.0 license. Word.ws reformatted the entry and added links. Wiktionary data of 2026-09-02.

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