Threshold Bound States

W. A. Berger*, H. G. Miller* and D. Waxman**

European Physical Journal A37: 357-360 (2008)

*University of Pretoria, Department of Physics, ZA-0002 Pretoria, South Africa

**Centre for the Study of Evolution, School of Life Sciences, University of Sussex, Brighton BN1 9QG, UK

Relationships between the coupling constant and the binding energy of threshold bound states are obtained in a simple manner from an iterative algorithm for solving the eigenvalue problem. The absence of threshold bound states in higher dimensions can be easily understood.