Normalization of Bethe-Salpeter Amplitudes
- 25 October 1967
- journal article
- research article
- Published by American Physical Society (APS) in Physical Review B
- Vol. 162 (5) , 1740-1746
- https://doi.org/10.1103/physrev.162.1740
Abstract
Many different methods for normalizing Bethe-Salpeter amplitudes for bound states have been known. In this article, derivations of the normalization condition based on conservation of charge and of energy-momentum are studied in detail, and it is shown that the final result in both cases is identical with the one derived from other methods.Keywords
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