Back to the Abstract

	1 Introduction
	2 Fields configuration and trajectory code
	3 Weak/strong electric field regimes
	4 Energy conservation
	5 Dependence of energy gain on initial position
	6 Pitch-angle dependence
	7 Chaotic orbits
	8 Varying the plane of injection
	9 Singularity at the spine
	10 Conclusions
	References

	List of tables
	List of figures