Numerical Method for Solving Two-Body Bound-State Bethe-Salpeter Equations for Unequal Constituent Masses

被引：0
|
作者：
G. B. Mainland
机构：
[1] Department of Physics,
[2] The Ohio State University,undefined
[3] Columbus,undefined
[4] OH 43210,undefined
[5] USA,undefined
来源：
Few-Body Systems | 1999年 / 26卷
关键词：
Differential Equation; Binding Force; Theoretical Technique; Ladder Approximation; Constituent Mass;
D O I：
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学科分类号：
摘要：
 A theoretical technique is developed for obtaining finite-energy numerical solutions to a class of two-body, bound-state Bethe-Salpeter equations in the ladder approximation when the constituent masses are unequal. The class of equations is restricted to those for which the Bethe-Salpeter equation can be written as a differential equation and to situations where the coupling constant is real. Such equations can result when the binding force is created by the exchange of a massless quanta. The theoretical technique is tested numerically by obtaining finite-energy solutions of the partially-separated Bethe-Salpeter equation describing the unequal-mass Wick-Cutkosky model in the ladder approximation.
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页码：27 / 41
页数：14
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