Magnons coherent transmission and heat transport at ultrathin insulating ferromagnetic nanojunctions A. Khater, B. Bourahla, M. Abou Ghantous, R. Tigrine and R. Chadli Eur. Phys. J. B, 82 1 (2011) 53-61 Published online: 29 June 2011 DOI: 10.1140/epjb/e2011-10935-2