Stability of bound states in the light-front Yukawa model

V. A. Karmanov
2001 AIP Conference Proceedings  
We show that in the system of two fermions interacting by scalar exchange, the solutions for J^π=0^+ bound states are stable without any cutoff regularization, for values of the coupling constant α below a critical value α_c. This latter is calculated from an eigenvalue equation.
doi:10.1063/1.1436614 fatcat:ugne4sdqgrcazdkohjebivj6ku