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- W2043702435 abstract "A modified representation of the Bethe-Salpeter wave function for scalar particles interacting via a massless scalar field is presented and related to Salpeter's approximate wave function. A procedure for obtaining approximate solutions of the Bethe-Salpeter equation for arbitrary interactions is introduced. The method is based on a variational principle and is capable of high accuracy when used with the trial functions developed here. The choice of trial function is suggested by the important features of the exact solutions for the special case described above. The method is applied to a finite range potential which corresponds to the lowest order approximation to a simple field theory. The results of the calculation suggest that the effect of retardation is large when an interaction is transmitted by a field with mass." @default.
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- W2043702435 date "1960-11-01" @default.
- W2043702435 modified "2023-10-02" @default.
- W2043702435 title "Approximate Solutions of the Bethe-Salpeter Equation" @default.
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- W2043702435 doi "https://doi.org/10.1063/1.1703686" @default.
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