| 单词 | Wigner's theorem |
| 释义 | Wigner's theorem [`wig·nǝrz ´thir·ǝm] QUANTUM MECHANICS 1. The theorem that, if ψ is an eigenfunction of the Hamiltonian operator and R is a symmetry element of the Hamiltonian, then Rψ is an eigenfunction of the Hamiltonian having the same eigenvalue as ψ. 2. Angular momentum of the electron spin is conserved in a collision of the second kind. |
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