TY - JOUR AU - Hagedorn, George A. AU - Joye, Alain TI - Landau-Zener transitions through small electronic eigenvalue gaps in the Born-Oppenheimer approximation JO - Annales de l'I.H.P. Physique théorique PY - 1998 SP - 85 EP - 134 VL - 68 IS - 1 PB - Gauthier-Villars UR - http://archive.numdam.org/item/AIHPA_1998__68_1_85_0/ LA - en ID - AIHPA_1998__68_1_85_0 ER -