Perturbation Treatment of the Bethe-Salpeter Equation for Tightly Bound Fermion-Antifermion Systems
- 1 March 1971
- journal article
- research article
- Published by AIP Publishing in Journal of Mathematical Physics
- Vol. 12 (3), 515-528
- https://doi.org/10.1063/1.1665615
Abstract
A perturbation theory is developed for the ladder approximation Bethe‐Salpeter equation that describes bound spin‐½ fermion‐antifermion systems of small total mass. A new exact analytical solution for a zero‐mass system is presented and the perturbation theory is applied to it. Some time‐reversal properties of the equation are also examined.This publication has 10 references indexed in Scilit:
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