TY - JOUR AU - Fernández-Rañada, Antonio PY - 1973 DO - 10.1103/PhysRevD.8.3430 SN - 0556-2821 UR - https://hdl.handle.net/20.500.14352/64918 T2 - Physical Review D AB - A nonlinear spinor field is studied interacting at rest with the static radial electromagnetic potential, c4 p. The results of perturbation theory fully agree with the exact results previously obtained. LA - eng M2 - 3430 PB - American Physical Society TI - Perturbation theory for an exactly soluble spinor model in interaction with its electromagnetic field TY - journal article VL - 8 ER -