Glossary
Selection rule
A constraint on matrix elements derived from symmetry, specifying which transitions are forbidden.
Learn More
Quantum Mechanics
—
Chapter 10: Symmetry and Conservation Laws — Why Quantum Mechanics Loves Group Theory
Related Terms
$-mc^2\alpha^2/(2n^2) = -13.6\,\text{eV}/n^2$
$mc^2$
(b)
1. Delft (Hensen et al., Nature 526, 682, 2015)
1. Electron lines (solid lines with arrows):
11.1
14.1
14.2