The optimal kinematic dynamo driven by steady flows in a sphere
Philip W Livermore1, Long Chen2, Wietze Herreman3, Kuan Li2, Jiawen Luo2 and Andy Jackson4, (1)University of Leeds, School of Earth and Environment, Leeds, LS2, United Kingdom, (2)ETH Swiss Federal Institute of Technology Zurich, Zurich, Switzerland, (3)LIMSI, Université Paris Sud, Paris, France, (4)ETH Zurich, Zurich, Switzerland