Energy extraction via magnetic reconnection in Lorentz breaking Kerr–Sen and Kiselev black holes Amodio Carleo, Gaetano Lambiase and Leonardo Mastrototaro Eur. Phys. J. C, 82 9 (2022) 776 Published online: 01 September 2022 DOI: 10.1140/epjc/s10052-022-10751-w