Foldy-Wouthuysen transformations in an indefinite-metric space. II. Theorems for practical calculations
- 15 April 1976
- journal article
- research article
- Published by American Physical Society (APS) in Physical Review D
- Vol. 13 (8), 2250-2254
- https://doi.org/10.1103/physrevd.13.2250
Abstract
We present a number of theorems and lemmas which are useful in indefinite-metric spaces for explicitly calculating Foldy-Wouthuysen (FW) transformations, both as power-series expansions in and as exact transformations. We mention two applications.
Keywords
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