TY - JOUR AU - Semen I. Polukeev AU - Vladimir A. Gavrichkov AU - Sergey G. Ovchinnikov TI - Effects of optical intra-gap transitions on superexchange interaction in La$ _2$CuO$ _4$ with nonequilibrium photoexcited centers JO - Žurnal Sibirskogo federalʹnogo universiteta. Matematika i fizika PY - 2018 SP - 159 EP - 170 VL - 11 IS - 2 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/JSFU_2018_11_2_a3/ LA - en ID - JSFU_2018_11_2_a3 ER -