Speakur

Word Pronunciation & Dictionary

wigner-eckart theorem

Word Rarity Very rare

Frequency: Zipf frequency 1.69 in modern English

Syllables
wign-er-eckart the-o-rem
IPA
34
Scrabble Score
19
Letters
5
Syllables
13
Unique Chars

Meaning

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.

Etymology

Named after physicists Eugene Wigner and Carl Eckart.

Questions

What does wigner-eckart theorem mean?
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.
Where does wigner-eckart theorem come from?
Named after physicists Eugene Wigner and Carl Eckart.

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