dorsal/arxiv
View SchemaV. The Semiclassical Foldy-Wouthuysen Transformation and the Derivation of the Bloch Equation for Spin-1/2 Polarised Beams Using Wigner Functions
| Authors | K. Heinemann, D. P. Barber |
|---|---|
| Categories | |
| ArXiv ID | physics/9901044 |
| URL | https://arxiv.org/abs/physics/9901044 |
Abstract
A semiclassical Foldy--Wouthuysen transformation of the Dirac equation is used to obtain the radiationless Bloch equation for the polarisation density.
{
"annotation_id": "7de9de0c-8d6b-47f9-a712-f02b7d1a2aa3",
"date_created": "2026-03-02T18:01:21.414000Z",
"date_modified": "2026-03-02T18:01:21.414000Z",
"file_hash": "bf65b4c8ac938ef0134effe41fd1af4090d8f33dc668b7d1dc5f5f82624936d6",
"private": false,
"record": {
"abstract": "A semiclassical Foldy--Wouthuysen transformation of the Dirac equation is\nused to obtain the radiationless Bloch equation for the polarisation density.",
"arxiv_id": "physics/9901044",
"authors": [
"K. Heinemann",
"D. P. Barber"
],
"categories": [
"physics.acc-ph",
"physics.class-ph",
"quant-ph"
],
"title": "V. The Semiclassical Foldy-Wouthuysen Transformation and the Derivation of the Bloch Equation for Spin-1/2 Polarised Beams Using Wigner Functions",
"url": "https://arxiv.org/abs/physics/9901044"
},
"schema_id": "dorsal/arxiv",
"source": {
"execution_id": "f24ba4ef-e4c7-4510-a7c0-18b51e28be28",
"id": "arXiv Dataset IDs",
"type": "Model",
"variant": "snapshot-2026-03-01",
"version": "0.1.0"
},
"user_id": 1000002
}