electron електрон 4 - 2 excitation 2 ionization 2 iонiзацiя 2 polaron 2 збудження 2 Coulomb repulsion 1 R-matrix with B-splines method 1 atom 1 binding energy 1 bisolectron 1 bisoliton 1 calcium atom 1 charge 1 dissociation 1 earthquake 1 electron-deformation potential 1 energy 1 exciton 1 fragmentation 1 hole 1 lattice anharmonicity 1 model Hamiltonian 1 molecule 1 nonorthogonal orbitals 1 physical field 1 quantum dot 1 resonances 1