Adiabatic motion of two-component BPS kinks
  The low energy dynamics of degenerated BPS domain walls arising in a generalized Wess-Zumino model is described as geodesic motion in the space of these topological walls. 
A. Alonso Izquierdo, M.A. Gonzalez Leon, J. Mateos Guilarte and M. de   la Torre Mayado