Abstract
We study the Dirac equation with slowly varying external potentials. Using matrix-valued Wigner functions we prove that the electron follows with high precision the classical orbit and that the spin precesses according to the BMT equation with gyromagnetic ratio g=2.
| Original language | English |
|---|---|
| Pages (from-to) | 420-431 |
| Number of pages | 12 |
| Journal | Annals of Physics |
| Volume | 282 |
| Issue number | 2 |
| DOIs | |
| State | Published - 15 Jun 2000 |