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INSTANTANEOUS BETHE–SALPETER EQUATION: (SEMI-)ANALYTICAL SOLUTION

    https://doi.org/10.1142/9789812778567_0048Cited by:2 (Source: Crossref)
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    Abstract:

    The Bethe–Salpeter equation for bound states of a fermion–antifermion pair in the instantaneous approximation for the involved interaction kernel is converted into an equivalent matrix eigenvalue problem with explicitly (algebraically) given matrices.