Scalar - Scalar Ladder Model in the Unequal - Mass Case . II — Numerical Studies of the BS Amplitudes —
نویسنده
چکیده
The Bethe-Salpeter amplitudes of the bound states formed by two scalar particles with unequal masses are analyzed in the massive scalar particle exchange ladder model. The norms of the amplitudes are calculated numerically, and it is confirmed that the norm vanishes for the bound state corresponding to the complex eigenvalue of the coupling constant. The behaviour of the Bethe-Salpeter amplitudes in the momentum space is also investigated.
منابع مشابه
Scalar - Scalar Ladder Model in the Unequal - Mass Case . III Numerical Studies of the P - Wave Case
The eigenvalue problem for the p-wave bound states formed by two unequal-mass scalar particles through the massive scalar particle exchange is analyzed numerically in the framework of the Bethe-Salpeter ladder model. As in the s-wave case, the eigenvalues of the coupling constant are found to become complex for some mass configurations in some range of the bound state mass. The Bethe-Salpeter a...
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