dorsal/arxiv
View SchemaSemiclassical limit of the Dirac equation and spin precession
| Authors | Herbert Spohn |
|---|---|
| Categories | |
| ArXiv ID | quant-ph/9911065 |
| URL | https://arxiv.org/abs/quant-ph/9911065 |
| DOI | 10.1006/aphy.2000.6039 |
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.
{
"annotation_id": "21dae3f9-0d34-4b12-9b2b-4e9f48ab8dd3",
"date_created": "2026-03-02T18:02:48.313000Z",
"date_modified": "2026-03-02T18:02:48.313000Z",
"file_hash": "a85f75d5f0e1cc52c01471735e6fcbb5519afe9482d9dc5c468447b1155a9bfa",
"private": false,
"record": {
"abstract": "We study the Dirac equation with slowly varying external potentials. Using\nmatrix-valued Wigner functions we prove that the electron follows with high\nprecision the classical orbit and that the spin precesses according to the BMT\nequation with gyromagnetic ratio g=2.",
"arxiv_id": "quant-ph/9911065",
"authors": [
"Herbert Spohn"
],
"categories": [
"quant-ph"
],
"doi": "10.1006/aphy.2000.6039",
"title": "Semiclassical limit of the Dirac equation and spin precession",
"url": "https://arxiv.org/abs/quant-ph/9911065"
},
"schema_id": "dorsal/arxiv",
"source": {
"execution_id": "5cbab74a-19b9-4720-bb93-6ffd755191d4",
"id": "arXiv Dataset IDs",
"type": "Model",
"variant": "snapshot-2026-03-01",
"version": "0.1.0"
},
"user_id": 1000002
}