Manifestly N=3 supersymmetric Euler-Heisenberg action in light-cone   superspace
  We find a manifestly N=3 supersymmetric generalization of the four-dimensional Euler-Heisenberg (four-derivative, or F^4) part of the Born-Infeld action in light-cone gauge, by using N=3 light-cone superspace. 
Thomas Boettner, Sergei V. Ketov and Thomas Lau (ITP, University of   Hannover)